APA Style

Hudson, R, A. (1999). Sociolinguistics (2nd). 40th west 20th street new york: THE PRESS SYNDICATE OF THE UNIVERSITY OF CAMBDGE.

MLA Style

Hudson, R., A.. "Sociolinguistics". 2nd 40th west 20th street new york: THE PRESS SYNDICATE OF THE UNIVERSITY OF CAMBDGE, 1999. Text.