APA (7th ed.) Citation

Piper, O. A. (1941). The Christian interpretation of sex. Charles Scribner's Sons.

Chicago Style (17th ed.) Citation

Piper, Otto A. The Christian Interpretation of Sex. New York, NY: Charles Scribner's Sons, 1941.

MLA (9th ed.) Citation

Piper, Otto A. The Christian Interpretation of Sex. Charles Scribner's Sons, 1941.

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