APA (7th ed.) Citation

De Velde, T. (1930). Ideal marriage: Its psychology and techniques. Random House Publishers.

Chicago Style (17th ed.) Citation

De Velde, T.H. Ideal Marriage: Its Psychology and Techniques. New York: Random House Publishers, 1930.

MLA (9th ed.) Citation

De Velde, T.H. Ideal Marriage: Its Psychology and Techniques. Random House Publishers, 1930.

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