APA (7th ed.) Citation

Sakarov, N. (1904). Die industrielle Entwicklung Bulgariens.

Chicago Style (17th ed.) Citation

Sakarov, Nikola. Die Industrielle Entwicklung Bulgariens. 1904.

MLA (9th ed.) Citation

Sakarov, Nikola. Die Industrielle Entwicklung Bulgariens. 1904.

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