APA
Fellmann J., Fellmann J., . (1990). Human geography. Dubuque: Wm.C.Brown publishers.
Chicago
Fellmann Jerome, Fellmann Jerome, . 1990. Human geography. Dubuque: Wm.C.Brown publishers.
Harvard
Fellmann J., Fellmann J., . (1990). Human geography. Dubuque: Wm.C.Brown publishers.
MLA
Fellmann Jerome, Fellmann Jerome, . Human geography. Dubuque: Wm.C.Brown publishers. 1990.