Cita APA (7th ed.)

Bellairs, A. d., & Attridge, J. (1975). Reptiles (4th (revised) ed.). Hutchinson.

Cita Chicago (17th ed.)

Bellairs, Angus d'A, i John Attridge. Reptiles. 4th (revised) ed. London: Hutchinson, 1975.

Cita MLA (9th ed.)

Bellairs, Angus d'A, i John Attridge. Reptiles. 4th (revised) ed. Hutchinson, 1975.