APA (7th ed.) Citation

Hardy, A. C. (1959). The open sea, its natural history: The world of plankton. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Hardy, Alister Clavering. The Open Sea, Its Natural History: The World of Plankton. Boston: Houghton Mifflin, 1959.

MLA (9th ed.) Citation

Hardy, Alister Clavering. The Open Sea, Its Natural History: The World of Plankton. Houghton Mifflin, 1959.