Cita APA

Jackson, . R. H., & Hudman, L. E. (1986). World regional geography : issues: For to-day (2nd ed.). John Wiley.

Citación estilo Chicago

Jackson, Richard H., and Lioyd E. Hudman. World Regional Geography : Issues: For To-day. 2nd ed. New York: John Wiley, 1986.

Cita MLA

Jackson, Richard H., and Lioyd E. Hudman. World Regional Geography : Issues: For To-day. 2nd ed. John Wiley, 1986.