Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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