Cita APA (7a ed.)

Hobson, P. N. (1988). The rumen microbial ecosystem. Elsevier Applied Science.

Cita Chicago Style (17a ed.)

Hobson, P. N. The Rumen Microbial Ecosystem. London: Elsevier Applied Science, 1988.

Cita MLA (8a ed.)

Hobson, P. N. The Rumen Microbial Ecosystem. Elsevier Applied Science, 1988.