APA-referens

Hegner, R. W. (1968). Invertibrate zoology (2nd ed.). Macmillan.

Chicago-stil citat

Hegner, Robert W. Invertibrate Zoology. 2nd ed. London: Macmillan, 1968.

MLA-referens

Hegner, Robert W. Invertibrate Zoology. 2nd ed. Macmillan, 1968.