APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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