Cita APA (7th ed.)

Lerner, R. . M., & Spanier, G. B. (1980). Adolescent development: A life - span perspective. McGraw-Hill.

Cita Chicago (17th ed.)

Lerner, Richard M., i Graham B. Spanier. Adolescent Development: A Life - Span Perspective. New York: McGraw-Hill, 1980.

Cita MLA (9th ed.)

Lerner, Richard M., i Graham B. Spanier. Adolescent Development: A Life - Span Perspective. McGraw-Hill, 1980.