APA (7th ed.) Citation

Ritter, W., & Strzygowski, W. (1970). Geographie. Habel.

Chicago Style (17th ed.) Citation

Ritter, Wigand, and Walter Strzygowski. Geographie. Berlin u.a: Habel, 1970.

MLA (9th ed.) Citation

Ritter, Wigand, and Walter Strzygowski. Geographie. Habel, 1970.

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