APA (7th ed.) Citation

Alfred, E. R. (1964). Systematic studies of the fresh-water fishes of Singapore.

Chicago Style (17th ed.) Citation

Alfred, Eric R. Systematic Studies of the Fresh-water Fishes of Singapore. [Singapore], 1964.

MLA (8th ed.) Citation

Alfred, Eric R. Systematic Studies of the Fresh-water Fishes of Singapore. 1964.

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