Cita APA

Sykes, G., & Skinner, F. A. (1971). Microbial aspects of pollution. Academic press.

Citación estilo Chicago

Sykes, G., y F. A. Skinner. Microbial Aspects of Pollution. London: Academic press, 1971.

Cita MLA

Sykes, G., y F. A. Skinner. Microbial Aspects of Pollution. Academic press, 1971.