APA (7th ed.) Citation

ZHONG & Sullivan. (1990). Supercourse for TOFEL. Simon & Schuster.

Chicago Style (17th ed.) Citation

ZHONG and Sullivan. Supercourse for TOFEL. N.Y: Simon & Schuster, 1990.

MLA (9th ed.) Citation

ZHONG and Sullivan. Supercourse for TOFEL. Simon & Schuster, 1990.

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