APA

Round F. E., . (1981). The ecology of algae. Cambridge [Eng.]; New York: Cambridge University Press.

Chicago

Round Frank E, . 1981. The ecology of algae. Cambridge [Eng.]; New York: Cambridge University Press.

Harvard

Round F. E., . (1981). The ecology of algae. Cambridge [Eng.]; New York: Cambridge University Press.

MLA

Round Frank E, . The ecology of algae. Cambridge [Eng.]; New York: Cambridge University Press. 1981.