APA (7th ed.) Citation

(2019). TOEFL iBT: Prep plus 2020-2021. Kaplan Publishing.

Chicago Style (17th ed.) Citation

TOEFL IBT: Prep Plus 2020-2021. New York: Kaplan Publishing, 2019.

MLA (9th ed.) Citation

TOEFL IBT: Prep Plus 2020-2021. Kaplan Publishing, 2019.

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