APA Citation

Ratzel, F., & Ritter, C. (1926). Geographie. Breslau [u.a.]: Hirt.

Chicago Style Citation

Ratzel, Friedrich, and Carl Ritter. Geographie. Breslau [u.a.]: Hirt, 1926.

MLA Citation

Ratzel, Friedrich, and Carl Ritter. Geographie. Breslau [u.a.]: Hirt, 1926.

Warning: These citations may not always be 100% accurate.