APA (7th ed.) Citation

Gaeng, P. A. (1971). Introduction to the principles of language. Harper & Row.

Chicago Style (17th ed.) Citation

Gaeng, Paul A. Introduction to the Principles of Language. New York: Harper & Row, 1971.

MLA (9th ed.) Citation

Gaeng, Paul A. Introduction to the Principles of Language. Harper & Row, 1971.