Citazione Stile APA (7a Edizione)

Pikunas, J. (1976). Human development, an emergent science (3d ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Pikunas, Justin. Human Development, an Emergent Science. 3d ed. New York: McGraw-Hill, 1976.

Citatione MLA (8a ed.)

Pikunas, Justin. Human Development, an Emergent Science. 3d ed. McGraw-Hill, 1976.