Cita APA (7a ed.)

Postal, P. M. (1968). Aspects of phonological theory. Harper & Row.

Cita Chicago Style (17a ed.)

Postal, Paul Martin. Aspects of Phonological Theory. New York [etc.]: Harper & Row, 1968.

Cita MLA (9a ed.)

Postal, Paul Martin. Aspects of Phonological Theory. Harper & Row, 1968.