APA (7th ed.) Citation

Huizenga, J., & Thomas-Ruzic, M. (1990). Writing workout. A program for new students of english. Heinle and Heinle.

Chicago Style (17th ed.) Citation

Huizenga, Jann, and María Thomas-Ruzic. Writing Workout. A Program for New Students of English. Boston: Heinle and Heinle, 1990.

MLA (9th ed.) Citation

Huizenga, Jann, and María Thomas-Ruzic. Writing Workout. A Program for New Students of English. Heinle and Heinle, 1990.