APA (7th ed.) Citation

Hawkins, H. L. (1920). Invertebrate palaeontology: An introduction to the study of fossils. Methuen & Co. Ltd..

Chicago Style (17th ed.) Citation

Hawkins, Herbert Leader. Invertebrate Palaeontology: An Introduction to the Study of Fossils. London: Methuen & Co. Ltd., 1920.

MLA (9th ed.) Citation

Hawkins, Herbert Leader. Invertebrate Palaeontology: An Introduction to the Study of Fossils. Methuen & Co. Ltd., 1920.