APA (7th ed.) Citation

Birnbach, L., & Hyman, B. (2010). How to know if it's time to go: A 10-step reality test for your marriage. Sterling Ethos.

Chicago Style (17th ed.) Citation

Birnbach, Lawrence, and Beverly Hyman. How to Know If It's Time to Go: A 10-step Reality Test for Your Marriage. New York: Sterling Ethos, 2010.

MLA (8th ed.) Citation

Birnbach, Lawrence, and Beverly Hyman. How to Know If It's Time to Go: A 10-step Reality Test for Your Marriage. Sterling Ethos, 2010.

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