Style de citation APA

Davies, R. G., & Richard, O. W. (1977). Imms` general textbook of entomology (Ed.10.).

Style de citation Chicago

Davies, R G., et O W. Richard. Imms` General Textbook of Entomology. Ed.10. London, Chapman and Hall, 1977.

Style de citation MLA

Davies, R G., et O W. Richard. Imms` General Textbook of Entomology. Ed.10. 1977.