APA-Zitierstil (7. Ausg.)

McKnight, T. L. (2004). Regional geography of the United States and Canada (4. ed.). Pearson Educationl.

Chicago-Zitierstil (17. Ausg.)

McKnight, Tom L. Regional Geography of the United States and Canada. 4. ed. Upper Saddle River, NJ: Pearson Educationl, 2004.

MLA-Zitierstil (9. Ausg.)

McKnight, Tom L. Regional Geography of the United States and Canada. 4. ed. Pearson Educationl, 2004.