Cita APA (7a ed.)

Lockwood, D. G. (1972). Introduction to stratificational linguistics. Harcourt Brace Jovanovich.

Cita Chicago Style (17a ed.)

Lockwood, David G. Introduction to Stratificational Linguistics. New York [etc.]: Harcourt Brace Jovanovich, 1972.

Cita MLA (9a ed.)

Lockwood, David G. Introduction to Stratificational Linguistics. Harcourt Brace Jovanovich, 1972.