Citazione Stile APA (7a Edizione)

Gould, S. B., & Cross, K. P. (1972). Explorations in non-traditional study ([1st ed.].). Jossey-Bass.

Citazione stile Chigago Style (17a edizione)

Gould, Samuel B., e K. Patricia Cross. Explorations in Non-traditional Study. [1st ed.]. San Francisco: Jossey-Bass, 1972.

Citatione MLA (8a ed.)

Gould, Samuel B., e K. Patricia Cross. Explorations in Non-traditional Study. [1st ed.]. Jossey-Bass, 1972.