APA (7th ed.) Citation

Foster, R. G. (1949). Marriage and family relationships ((6. print).). Macmillan.

Chicago Style (17th ed.) Citation

Foster, Robert Geib. Marriage and Family Relationships. (6. print). New York: Macmillan, 1949.

MLA (8th ed.) Citation

Foster, Robert Geib. Marriage and Family Relationships. (6. print). Macmillan, 1949.