Harding, J. P., & Smith, W. A. (1974). A key to the British freshwater cyclopid and calanoid copepods: With ecological notes (2nd ed.). Freshwater Biological Association.
Chicago Style (17th ed.) CitationHarding, John Philip, and William Albert Smith. A Key to the British Freshwater Cyclopid and Calanoid Copepods: With Ecological Notes. 2nd ed. Ambleside [Westmorland]: Freshwater Biological Association, 1974.
MLA (8th ed.) CitationHarding, John Philip, and William Albert Smith. A Key to the British Freshwater Cyclopid and Calanoid Copepods: With Ecological Notes. 2nd ed. Freshwater Biological Association, 1974.
Warning: These citations may not always be 100% accurate.