Cita APA (7th ed.)

Johnson, M. H., & Everitt, B. J. (1980). Essential reproduction. Blackwell Scientific Pub.

Cita Chicago (17th ed.)

Johnson, M. H., i Barry J. Everitt. Essential Reproduction. Oxford: Blackwell Scientific Pub, 1980.

Cita MLA (9th ed.)

Johnson, M. H., i Barry J. Everitt. Essential Reproduction. Blackwell Scientific Pub, 1980.