APA (7th ed.) Citation

Labov, W., Ash, S., & Boberg, C. (2006). The Atlas of North American English: Phonetics, phonology and sound change : a multimedia reference tool. Mouton de Gruyter.

Chicago Style (17th ed.) Citation

Labov, William, Sharon Ash, and Charles Boberg. The Atlas of North American English: Phonetics, Phonology and Sound Change : A Multimedia Reference Tool. Berlin New York: Mouton de Gruyter, 2006.

MLA (9th ed.) Citation

Labov, William, et al. The Atlas of North American English: Phonetics, Phonology and Sound Change : A Multimedia Reference Tool. Mouton de Gruyter, 2006.