Cita APA (7th ed.)

Russell-Hunter, W. D. (1968). A biology of lower invertebrates (1a. ed.). The Macmillan Company.

Cita Chicago (17th ed.)

Russell-Hunter, W. D. A Biology of Lower Invertebrates. 1a. ed. Toronto: The Macmillan Company, 1968.

Cita MLA (9th ed.)

Russell-Hunter, W. D. A Biology of Lower Invertebrates. 1a. ed. The Macmillan Company, 1968.