APA (7th ed.) Citation

Leman, K. (2009). The birth order book: Why you are the way you are (Rev. and updated ed.). Revell.

Chicago Style (17th ed.) Citation

Leman, Kevin. The Birth Order Book: Why You Are the Way You Are. Rev. and updated ed. Grand Rapids, Mich.: Revell, 2009.

MLA (8th ed.) Citation

Leman, Kevin. The Birth Order Book: Why You Are the Way You Are. Rev. and updated ed. Revell, 2009.

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