Cita APA (7th ed.)

Hurlock, E. B. (1975). Developmental psychology. McGraw-Hill.

Cita Chicago (17th ed.)

Hurlock, Elizabeth Bergner. Developmental Psychology. New York: McGraw-Hill, 1975.

Cita MLA (9th ed.)

Hurlock, Elizabeth Bergner. Developmental Psychology. McGraw-Hill, 1975.