APA (7th ed.) Citation

Greenbaum, S., & Nelson, G. (2009). An introduction to English grammar (Third edition.). Pearson Longman.

Chicago Style (17th ed.) Citation

Greenbaum, Sidney, and Gerald Nelson. An Introduction to English Grammar. Third edition. Harlow ; Munich [und 17 andere]: Pearson Longman, 2009.

MLA (9th ed.) Citation

Greenbaum, Sidney, and Gerald Nelson. An Introduction to English Grammar. Third edition. Pearson Longman, 2009.

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