Citazione Stile APA (7a Edizione)

Christenson, R. M. (1964). Challence and decision: Political issues of our time. Harper & Row.

Citazione stile Chigago Style (17a edizione)

Christenson, Reo M. Challence and Decision: Political Issues of Our Time. Nueva York: Harper & Row, 1964.

Citatione MLA (9a ed.)

Christenson, Reo M. Challence and Decision: Political Issues of Our Time. Harper & Row, 1964.