Cita APA (7th ed.)

Billett, F. S., & Wild, A. E. (1975). Practical studies of animal development. Chapman and Hall.

Cita Chicago (17th ed.)

Billett, F. S., i A. E. Wild. Practical Studies of Animal Development. London, England, United Kingdom: Chapman and Hall, 1975.

Cita MLA (9th ed.)

Billett, F. S., i A. E. Wild. Practical Studies of Animal Development. Chapman and Hall, 1975.