APA Citation

Ratzel, F. 1., & Ratzel, F. 1. (1891). Anthropogeographie. Stuttgart: J. Engelhorn.

Chicago Style Citation

Ratzel, Friedrich 1884-1904, and Friedrich 1884-1904 Ratzel. Anthropogeographie. Stuttgart: J. Engelhorn, 1891.

MLA Citation

Ratzel, Friedrich 1884-1904, and Friedrich 1884-1904 Ratzel. Anthropogeographie. Stuttgart: J. Engelhorn, 1891.

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