Cita APA (7a ed.)

Ramachandran, G. N., & Gould, B. S. (1968). Treatise on collagen. Academic Press.

Cita Chicago Style (17a ed.)

Ramachandran, G. N., y Bernard S. Gould. Treatise on Collagen. London [etc.]: Academic Press, 1968.

Cita MLA (9a ed.)

Ramachandran, G. N., y Bernard S. Gould. Treatise on Collagen. Academic Press, 1968.