APA (7th ed.) Citation

Rymniak, M. J., & Shanks, J. (2000). TOEFL Workbook. Kaplan.

Chicago Style (17th ed.) Citation

Rymniak, Marilyn J., and Janet Shanks. TOEFL Workbook. New York: Kaplan, 2000.

MLA (9th ed.) Citation

Rymniak, Marilyn J., and Janet Shanks. TOEFL Workbook. Kaplan, 2000.