APA (7th ed.) Citation

Selzer, R., & Josyph, P. (2009). Letters to a Best Friend.

Chicago Style (17th ed.) Citation

Selzer, Richard, and Peter Josyph. Letters to a Best Friend. 2009.

MLA (9th ed.) Citation

Selzer, Richard, and Peter Josyph. Letters to a Best Friend. 2009.

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