APA-Zitierstil (7. Ausg.)

Berry, B. J. (1976). The geography of economic systems.

Chicago-Zitierstil (17. Ausg.)

Berry, Brian J.L. The Geography of Economic Systems. Englewood Cliffs, N.J, 1976.

MLA-Zitierstil (9. Ausg.)

Berry, Brian J.L. The Geography of Economic Systems. 1976.