APA (7th ed.) Citation

Trask, R. (2005). How to write effective emails. Penguin Books.

Chicago Style (17th ed.) Citation

Trask, R.L. How to Write Effective Emails. London: Penguin Books, 2005.

MLA (9th ed.) Citation

Trask, R.L. How to Write Effective Emails. Penguin Books, 2005.

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