Cita APA (7a ed.)

Ryder, M., & Stephenson, S. (1968). Wool growth (1st edition.). Academic Press.

Cita Chicago Style (17a ed.)

Ryder, M.L, y S.K Stephenson. Wool Growth. 1st edition. New York: Academic Press, 1968.

Cita MLA (8a ed.)

Ryder, M.L, y S.K Stephenson. Wool Growth. 1st edition. Academic Press, 1968.