APA
Akscyn R., Association for Computing Machinery, ACM Special Interest Group on Information Retrieval, Hypertext H. a. W. & ACM Special Interest Group on Hypertext H. a. W. (1998). Proceedings of the ninth ACM conference on Hypertext and hypermedia links, objects, time and space---structure in hypermedia systems links, objects, time and space---structure in hypermedia systems. New York, NY: ACM.
Chicago
Akscyn Robert, Association for Computing Machinery, ACM Special Interest Group on Information Retrieval, Hypertext Hypermedia and Web and ACM Special Interest Group on Hypertext Hypermedia and Web. 1998. Proceedings of the ninth ACM conference on Hypertext and hypermedia links, objects, time and space---structure in hypermedia systems links, objects, time and space---structure in hypermedia systems. New York, NY: ACM.
Harvard
Akscyn R., Association for Computing Machinery, ACM Special Interest Group on Information Retrieval, Hypertext H. a. W. and ACM Special Interest Group on Hypertext H. a. W. (1998). Proceedings of the ninth ACM conference on Hypertext and hypermedia links, objects, time and space---structure in hypermedia systems links, objects, time and space---structure in hypermedia systems. New York, NY: ACM.
MLA
Akscyn Robert, Association for Computing Machinery, ACM Special Interest Group on Information Retrieval, Hypertext Hypermedia and Web and ACM Special Interest Group on Hypertext Hypermedia and Web. Proceedings of the ninth ACM conference on Hypertext and hypermedia links, objects, time and space---structure in hypermedia systems links, objects, time and space---structure in hypermedia systems. New York, NY: ACM. 1998.