APA
Eckert P., Rickford J. R., . (2001). Style and sociolinguistic variation. Cambridge, UK: Cambridge University Press.
Chicago
Eckert Penelope, Rickford John R, . 2001. Style and sociolinguistic variation. Cambridge, UK: Cambridge University Press.
Harvard
Eckert P., Rickford J. R., . (2001). Style and sociolinguistic variation. Cambridge, UK: Cambridge University Press.
MLA
Eckert Penelope, Rickford John R, . Style and sociolinguistic variation. Cambridge, UK: Cambridge University Press. 2001.