Cita APA (7th ed.)
Westlake, H. G. (1972). Relationships: A study in human behavior. Xerox.
Cita Chicago (17th ed.)
Westlake, Helen Gum. Relationships: A Study in Human Behavior. Massachussetts: Xerox, 1972.
Cita MLA (9th ed.)
Westlake, Helen Gum. Relationships: A Study in Human Behavior. Xerox, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.