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.