Alfred, E. R. (1964). Systematic studies of the fresh-water fishes of Singapore.
Chicago Style (17th ed.) CitationAlfred, Eric R. Systematic Studies of the Fresh-water Fishes of Singapore. [Singapore], 1964.
MLA (8th ed.) CitationAlfred, Eric R. Systematic Studies of the Fresh-water Fishes of Singapore. 1964.
Warning: These citations may not always be 100% accurate.