APA (7th ed.) Citation

Houghton, W. (1877). Sketches of British insects: A handbook for beginners in the study of entomology (2d ed.). Groombridge and Sons.

Chicago Style (17th ed.) Citation

Houghton, W. Sketches of British Insects: A Handbook for Beginners in the Study of Entomology. 2d ed. London: Groombridge and Sons, 1877.

MLA (9th ed.) Citation

Houghton, W. Sketches of British Insects: A Handbook for Beginners in the Study of Entomology. 2d ed. Groombridge and Sons, 1877.