Cita APA (7a ed.)

Ryder, M. L., & Stephenson, S. K. (1968). Wool growth. Academic Press.

Cita Chicago Style (17a ed.)

Ryder, M. L., y S. K. Stephenson. Wool Growth. London: Academic Press, 1968.

Cita MLA (9a ed.)

Ryder, M. L., y S. K. Stephenson. Wool Growth. Academic Press, 1968.