Citazione Stile APA (7a Edizione)

Williams, C. M. (1968). Learning from pictures (2d ed.). Dept. of Audiovisual Instruction, National Education Association.

Citazione stile Chigago Style (17a edizione)

Williams, Catharine M. Learning from Pictures. 2d ed. Washington: Dept. of Audiovisual Instruction, National Education Association, 1968.

Citatione MLA (8a ed.)

Williams, Catharine M. Learning from Pictures. 2d ed. Dept. of Audiovisual Instruction, National Education Association, 1968.