Cita APA (7a ed.)

Witt, S. C. (1990). Biotechnology, microbes and environment (1st edition.). CSI.

Cita Chicago Style (17a ed.)

Witt, Steven C. Biotechnology, Microbes and Environment. 1st edition. California: CSI, 1990.

Cita MLA (8a ed.)

Witt, Steven C. Biotechnology, Microbes and Environment. 1st edition. CSI, 1990.