APA (7th ed.) Citation

Müller, H. (1931). Die Kohlenwirtschaft Bulgariens. F. Enke.

Chicago Style (17th ed.) Citation

Müller, Herbert. Die Kohlenwirtschaft Bulgariens. Stuttgart: F. Enke, 1931.

MLA (8th ed.) Citation

Müller, Herbert. Die Kohlenwirtschaft Bulgariens. F. Enke, 1931.

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