APA-Zitierstil (7. Ausg.)

Doerr, A. H., & Guernsey, J. L. (1975). Principles of geography: Physical and cultural (2.ed.). Barron's Educat.Series.

Chicago-Zitierstil (17. Ausg.)

Doerr, Arthur H., und James L. Guernsey. Principles of Geography: Physical and Cultural. 2.ed. Woodbury: Barron's Educat.Series, 1975.

MLA-Zitierstil (9. Ausg.)

Doerr, Arthur H., und James L. Guernsey. Principles of Geography: Physical and Cultural. 2.ed. Barron's Educat.Series, 1975.