APA (7th ed.) Citation

Morris, I. (1968). An introduction to the algae (2d ed.). Hutchinson.

Chicago Style (17th ed.) Citation

Morris, I. An Introduction to the Algae. 2d ed. London: Hutchinson, 1968.

MLA (9th ed.) Citation

Morris, I. An Introduction to the Algae. 2d ed. Hutchinson, 1968.