APA (7th ed.) Citation

Pietsch, W. V. (1990). The serenity prayer book (1. ed.). Harper.

Chicago Style (17th ed.) Citation

Pietsch, William V. The Serenity Prayer Book. 1. ed. [London]: Harper, 1990.

MLA (9th ed.) Citation

Pietsch, William V. The Serenity Prayer Book. 1. ed. Harper, 1990.

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