APA (7th ed.) Citation

Whitney, N. (1991). Succesful Vocabulary for first Certificate with key. Oxford University Press.

Chicago Style (17th ed.) Citation

Whitney, Norman. Succesful Vocabulary for First Certificate with Key. Oxford: Oxford University Press, 1991.

MLA (9th ed.) Citation

Whitney, Norman. Succesful Vocabulary for First Certificate with Key. Oxford University Press, 1991.

Warning: These citations may not always be 100% accurate.