Citazione Stile APA (7a Edizione)

Dacey, J. S., & Travers, J. F. (1999). Human development across the lifespan (4th ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Dacey, John S., e John F. Travers. Human Development Across the Lifespan. 4th ed. Boston: McGraw-Hill, 1999.

Citatione MLA (9a ed.)

Dacey, John S., e John F. Travers. Human Development Across the Lifespan. 4th ed. McGraw-Hill, 1999.