APA

Blue R. B., Association for Computing Machinery, . (1968). Proceedings of the 1968 23rd ACM national conference. New York, NY: ACM.

Chicago

Blue Richard B, Association for Computing Machinery, . 1968. Proceedings of the 1968 23rd ACM national conference. New York, NY: ACM.

Harvard

Blue R. B., Association for Computing Machinery, . (1968). Proceedings of the 1968 23rd ACM national conference. New York, NY: ACM.

MLA

Blue Richard B, Association for Computing Machinery, . Proceedings of the 1968 23rd ACM national conference. New York, NY: ACM. 1968.