Varley, M. E. (1967). British freshwater fishes: Factors affecting their distribution. Fishing News Books.
Style de citation Chicago (17e éd.)Varley, Margaret E. British Freshwater Fishes: Factors Affecting Their Distribution. Londres: Fishing News Books, 1967.
Style de citation MLA (9e éd.)Varley, Margaret E. British Freshwater Fishes: Factors Affecting Their Distribution. Fishing News Books, 1967.
Attention : ces citations peuvent ne pas être correctes à 100%.