Cita APA (7th ed.)

Getis, A., Getis, J., & Fellmann, J. D. (2000). Introduction to geography. McGraw-Hill.

Cita Chicago (17th ed.)

Getis, Arthur, Judith Getis, i Jerome D. Fellmann. Introduction to Geography. Boston: McGraw-Hill, 2000.

Cita MLA (9th ed.)

Getis, Arthur, et al. Introduction to Geography. McGraw-Hill, 2000.