Citazione Stile APA (7a Edizione)

Cratty, B. J. (1971). Active learning: Games to enhance academic abilities. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Cratty, Bryant J. Active Learning: Games to Enhance Academic Abilities. Englewood Cliffs, N. J: Prentice-Hall, 1971.

Citatione MLA (9a ed.)

Cratty, Bryant J. Active Learning: Games to Enhance Academic Abilities. Prentice-Hall, 1971.