Citazione Stile APA (7a Edizione)

Hullfish, H. G., & Smith, P. G. (1961). Reflective thinking: The method of education. Dodd, Mead.

Citazione stile Chigago Style (17a edizione)

Hullfish, Henry Gordon, e Philip G. Smith. Reflective Thinking: The Method of Education. New York: Dodd, Mead, 1961.

Citatione MLA (9a ed.)

Hullfish, Henry Gordon, e Philip G. Smith. Reflective Thinking: The Method of Education. Dodd, Mead, 1961.