APA (7th ed.) Citation

Beaumont, D., & Granger, C. (1989). The Heinemann english grammar: With answer key. Heinemann.

Chicago Style (17th ed.) Citation

Beaumont, Digby, and Colin Granger. The Heinemann English Grammar: With Answer Key. Oxford: Heinemann, 1989.

MLA (9th ed.) Citation

Beaumont, Digby, and Colin Granger. The Heinemann English Grammar: With Answer Key. Heinemann, 1989.

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