APA Citation

DUFFY, & Mahnke. (1995). The Heinemann TOEFL practice tests (New edition.). Oxford: Heineman.

Chicago Style Citation

DUFFY, and Mahnke. The Heinemann TOEFL Practice Tests. New edition. Oxford: Heineman, 1995.

MLA Citation

DUFFY, and Mahnke. The Heinemann TOEFL Practice Tests. New edition. Oxford: Heineman, 1995.

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