APA Style
Labov, William. (1972).
Sociolinguistic patterns .
Philadelphia:
University of Pennsylvania Press.
Chicago Style
Labov, William.
Sociolinguistic patterns.
Philadelphia:
University of Pennsylvania Press,
1972.
Text.
MLA Style
Labov, William.
Sociolinguistic patterns.
Philadelphia:
University of Pennsylvania Press,
1972.
Text.
Turabian Style
Labov, William.
Sociolinguistic patterns.
Philadelphia:
University of Pennsylvania Press,
1972.
Print.