APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Mason, C. F. Biology of Freshwater Pollution. London: Longman, 1981.

MLA (9th ed.) Citation

Mason, C. F. Biology of Freshwater Pollution. Longman, 1981.

Warning: These citations may not always be 100% accurate.