APA (7th ed.) Citation

Weitling, W. (1931). Theorie des Weltsystems. Mühlau.

Chicago Style (17th ed.) Citation

Weitling, Wilhelm. Theorie Des Weltsystems. Kiel: Mühlau, 1931.

MLA (8th ed.) Citation

Weitling, Wilhelm. Theorie Des Weltsystems. Mühlau, 1931.

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