Cita APA (7a ed.)

Walcher, D. N., & Peters, D. L. (1971). Early childhood: The development of self-regulatory mechanisms. [proceedings of a conference held at Pennsylvania State University, Jan. 1970. Academic Press.

Cita Chicago Style (17a ed.)

Walcher, Dwain N,, y Donald L. Peters. Early Childhood: The Development of Self-regulatory Mechanisms. [proceedings of a Conference Held at Pennsylvania State University, Jan. 1970. New York [etc.]: Academic Press, 1971.

Cita MLA (9a ed.)

Walcher, Dwain N,, y Donald L. Peters. Early Childhood: The Development of Self-regulatory Mechanisms. [proceedings of a Conference Held at Pennsylvania State University, Jan. 1970. Academic Press, 1971.