Cita APA (7a ed.)

Sheppard, P. (1973). Practical genetics. Blackwell.

Cita Chicago Style (17a ed.)

Sheppard, P.M. Practical Genetics. Oxford: Blackwell, 1973.

Cita MLA (8a ed.)

Sheppard, P.M. Practical Genetics. Blackwell, 1973.