Cita APA (7a ed.)

Labov, W. (1972). Sociolinguistic patterns. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Labov, William. Sociolinguistic Patterns. Philadelphia: University of Pennsylvania Press, 1972.

Cita MLA (8a ed.)

Labov, William. Sociolinguistic Patterns. University of Pennsylvania Press, 1972.