APA (7th ed.) Citation

Zepf, G. K. (1965). The psycho-biology of language: An introduction to dynamic philology. MIT Press.

Chicago Style (17th ed.) Citation

Zepf, George Kingsley. The Psycho-biology of Language: An Introduction to Dynamic Philology. Cambridge, Mass: MIT Press, 1965.

MLA (9th ed.) Citation

Zepf, George Kingsley. The Psycho-biology of Language: An Introduction to Dynamic Philology. MIT Press, 1965.