APA Edition Citation

Richards, O. W. . .., & Davies, R. G. . .. (1957). General text book of entomology. Methuen and Co. Ltd.

Chicago Edition Citation

Richards, O W ., and R G. Davies. General Text Book of Entomology. London: Methuen and Co. Ltd, 1957.

MLA Edition Citation

Richards, O W ., and R G. Davies. General Text Book of Entomology. Methuen and Co. Ltd, 1957.