APA (7th ed.) Citation
Trask, R. L. (2000). The Penguin Dictionary of English Grammar (First published.). Penguin Books.
Chicago Style (17th ed.) Citation
Trask, R. L. The Penguin Dictionary of English Grammar. First published. London: Penguin Books, 2000.
MLA (9th ed.) Citation
Trask, R. L. The Penguin Dictionary of English Grammar. First published. Penguin Books, 2000.
Warning: These citations may not always be 100% accurate.