Cita APA (7th ed.)

Hers, D., & Tasa, D. (2014). Mcknights physical geography : a landscape: Appreciation (11th ed.). Person.

Cita Chicago (17th ed.)

Hers, Darrel, i Dannis Tasa. Mcknights Physical Geography : a Landscape: Appreciation. 11th ed. Edinburgh: Person, 2014.

Cita MLA (9th ed.)

Hers, Darrel, i Dannis Tasa. Mcknights Physical Geography : a Landscape: Appreciation. 11th ed. Person, 2014.