APA (7th ed.) Citation

Lazarov M. (1977). Development and achievements of bibliography on the history of Bulgaria. Sofia.

Chicago Style (17th ed.) Citation

Lazarov M. Development and Achievements of Bibliography on the History of Bulgaria. Sofia, 1977.

MLA (8th ed.) Citation

Lazarov M. Development and Achievements of Bibliography on the History of Bulgaria. Sofia, 1977.

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