APA Citation

Greenbaum, S. (1991). An introduction to english grammar. England: Longman Group Uk Limited.

Chicago Style Citation

Greenbaum, Sidney. An Introduction to English Grammar. England: Longman Group Uk Limited, 1991.

MLA Citation

Greenbaum, Sidney. An Introduction to English Grammar. England: Longman Group Uk Limited, 1991.

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