APA Style

ENGLISH, A, K., ENGLISH, L, M. (2004). Northstar : reading and writing (high intermediate) (2nd ed.). New York: Longman.

MLA Style

ENGLISH, Andrew, K.., ENGLISH, Laura, Monahon. "Northstar : reading and writing (high intermediate)". 2nd ed. New York: Longman, 2004. Text.