APA
Fellmann J. D., Getis A. & Getis J. (2003). Human geography. Boston: McGraw-Hill.
Chicago
Fellmann Jerome Donald, Getis Arthur and Getis Judith. 2003. Human geography. Boston: McGraw-Hill.
Harvard
Fellmann J. D., Getis A. and Getis J. (2003). Human geography. Boston: McGraw-Hill.
MLA
Fellmann Jerome Donald, Getis Arthur and Getis Judith. Human geography. Boston: McGraw-Hill. 2003.