Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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