Cita APA (7th ed.)
Smart, M. S., & Russell Smart C. (1978). Infants development and relationships (2nd ed.). Mcmillan Publishing.
Cita Chicago (17th ed.)
Smart, Mollie S., i Russell Smart C. Infants Development and Relationships. 2nd ed. New York: Mcmillan Publishing, 1978.
Cita MLA (9th ed.)
Smart, Mollie S., i Russell Smart C. Infants Development and Relationships. 2nd ed. Mcmillan Publishing, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.