Citazione Stile APA (7a Edizione)

Pulsipher, L. M., Pulsipher, A., & Goodwin, C. M. (2012). World regional geography concepts (Second edition, [student edition].). W.H. Freeman and Company.

Citazione stile Chigago Style (17a edizione)

Pulsipher, Lydia Mihelič, Alex Pulsipher, e Conrad Mac Goodwin. World Regional Geography Concepts. Second edition, [student edition]. New York: W.H. Freeman and Company, 2012.

Citatione MLA (9a ed.)

Pulsipher, Lydia Mihelič, et al. World Regional Geography Concepts. Second edition, [student edition]. W.H. Freeman and Company, 2012.