APA (7th ed.) Citation

Clegg, J. (1974). Freshwater life / (by) John Clegg (4th ed.). F. Warne.

Chicago Style (17th ed.) Citation

Clegg, John. Freshwater Life / (by) John Clegg. 4th ed. London (etc.): F. Warne, 1974.

MLA (9th ed.) Citation

Clegg, John. Freshwater Life / (by) John Clegg. 4th ed. F. Warne, 1974.

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