Citazione Stile APA (7a Edizione)

THEMES IN & HARVEY, M. E. (1981). Themes in geographic thought. Croom Helm.

Citazione stile Chigago Style (17a edizione)

THEMES IN e Milton E. HARVEY. Themes in Geographic Thought. London: Croom Helm, 1981.

Citatione MLA (9a ed.)

THEMES IN e Milton E. HARVEY. Themes in Geographic Thought. Croom Helm, 1981.