Cita APA (7th ed.)
Gormly, A. V. (1993). Lifespan human development (5th ed.). HBJ.
Cita Chicago (17th ed.)
Gormly, Anne V. Lifespan Human Development. 5th ed. Fort Worth: HBJ, 1993.
Cita MLA (9th ed.)
Gormly, Anne V. Lifespan Human Development. 5th ed. HBJ, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.