Cita APA (7a ed.)

Laverack, M. S. (1963). The physiology of earthworms. Macmillan.

Cita Chicago Style (17a ed.)

Laverack, M. S. The Physiology of Earthworms. New York: Macmillan, 1963.

Cita MLA (8a ed.)

Laverack, M. S. The Physiology of Earthworms. Macmillan, 1963.