APA (7th ed.) Citation

Trask, R. (2000). The penguin dictionary of English grammar. Penguin Books.

Chicago Style (17th ed.) Citation

Trask, R.L. The Penguin Dictionary of English Grammar. London: Penguin Books, 2000.

MLA (9th ed.) Citation

Trask, R.L. The Penguin Dictionary of English Grammar. Penguin Books, 2000.

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