Cita APA (7a ed.)

Rotheray, G. E., & Rotheray, J. (1989). Aphid predators: Insects that eat greenfly. Richmond Publishing.

Cita Chicago Style (17a ed.)

Rotheray, Graham E., y J.C Rotheray. Aphid Predators: Insects That Eat Greenfly. Slough: Richmond Publishing, 1989.

Cita MLA (9a ed.)

Rotheray, Graham E., y J.C Rotheray. Aphid Predators: Insects That Eat Greenfly. Richmond Publishing, 1989.