Citazione Stile APA (7a Edizione)

Alexander, W. M., & Hines, V. A. (1967). Independent study in secondary schools. Holt, Rinehart and Winston.

Citazione stile Chigago Style (17a edizione)

Alexander, William Marvin, e Vynce Albert Hines. Independent Study in Secondary Schools. New York: Holt, Rinehart and Winston, 1967.

Citatione MLA (8a ed.)

Alexander, William Marvin, e Vynce Albert Hines. Independent Study in Secondary Schools. Holt, Rinehart and Winston, 1967.