Cita APA (7a ed.)

Smith, K. M. (1931). A textbook of agricultural entomology. Cambridge University Press.

Cita Chicago Style (17a ed.)

Smith, Kenneth M. A Textbook of Agricultural Entomology. London: Cambridge University Press, 1931.

Cita MLA (8a ed.)

Smith, Kenneth M. A Textbook of Agricultural Entomology. Cambridge University Press, 1931.