Citazione Stile APA (7a Edizione)

Loundsbury, J. F. (1986). Introduction to geographic field methods and techniques GA151 (3rd ed.). Merrill Publishing.

Citazione stile Chigago Style (17a edizione)

Loundsbury, John F. Introduction to Geographic Field Methods and Techniques GA151. 3rd ed. Columbia, Ohio: Merrill Publishing, 1986.

Citatione MLA (9a ed.)

Loundsbury, John F. Introduction to Geographic Field Methods and Techniques GA151. 3rd ed. Merrill Publishing, 1986.