Cita APA (7a ed.)

Mason, C. F. (1981). Biology of freshwater pollution. Longman Scientific and Technical.

Cita Chicago Style (17a ed.)

Mason, C. F. Biology of Freshwater Pollution. England: Longman Scientific and Technical, 1981.

Cita MLA (9a ed.)

Mason, C. F. Biology of Freshwater Pollution. Longman Scientific and Technical, 1981.