Citazione Stile APA (7a Edizione)

Harman, D., & Kline, D. K. (1976). Issues in population education. Lexington Books.

Citazione stile Chigago Style (17a edizione)

Harman, David, e David K. Kline. Issues in Population Education. Lexington, Mass: Lexington Books, 1976.

Citatione MLA (9a ed.)

Harman, David, e David K. Kline. Issues in Population Education. Lexington Books, 1976.