APA (7th ed.) Citation

Pei, M. (1965). Invitation to linguistics: A basic introduction to the science of language. Allen & Unwin.

Chicago Style (17th ed.) Citation

Pei, Mario. Invitation to Linguistics: A Basic Introduction to the Science of Language. London: Allen & Unwin, 1965.

MLA (9th ed.) Citation

Pei, Mario. Invitation to Linguistics: A Basic Introduction to the Science of Language. Allen & Unwin, 1965.

Warning: These citations may not always be 100% accurate.