APA (7th ed.) Citation

REIN, D. P. (1985). Grolier advanced english course 6. Grolier International.

Chicago Style (17th ed.) Citation

REIN, David P. Grolier Advanced English Course 6. (sl): Grolier International, 1985.

MLA (9th ed.) Citation

REIN, David P. Grolier Advanced English Course 6. Grolier International, 1985.

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