Cita APA (7a ed.)

Cook, E. J. (1994). Anaerobic sludge digestion. Water Pollution Federation.

Cita Chicago Style (17a ed.)

Cook, Edmund J. Anaerobic Sludge Digestion. Alexandría: Water Pollution Federation, 1994.

Cita MLA (9a ed.)

Cook, Edmund J. Anaerobic Sludge Digestion. Water Pollution Federation, 1994.