Cita APA (7th ed.)

Foster, R. G. (1950). Marriage and family relationships (Rev. (i.e. 2nd) ed.). Macmillan.

Cita Chicago (17th ed.)

Foster, Robert Geib. Marriage and Family Relationships. Rev. (i.e. 2nd) ed. N.Y.: Macmillan, 1950.

Cita MLA (8th ed.)

Foster, Robert Geib. Marriage and Family Relationships. Rev. (i.e. 2nd) ed. Macmillan, 1950.

Atenció: Aquestes cites poden no estar 100% correctes.