Citazione Stile APA (7a Edizione)

Jennings, J. E., & Fisher Hertel, M. (1975). Inquiring about freedom: Civil rights and individual responsibility (Discovery sheets.). The Fideler Company.

Citazione stile Chigago Style (17a edizione)

Jennings, Jerry E., e Margaret Fisher Hertel. Inquiring About Freedom: Civil Rights and Individual Responsibility. Discovery sheets. Grand Rapids, Michigan Toronto, Canada: The Fideler Company, 1975.

Citatione MLA (9a ed.)

Jennings, Jerry E., e Margaret Fisher Hertel. Inquiring About Freedom: Civil Rights and Individual Responsibility. Discovery sheets. The Fideler Company, 1975.