APA (7th ed.) Citation

Académie bulgare des sciences. (1973). Byzantino Bulgarica. Sofia.

Chicago Style (17th ed.) Citation

Académie bulgare des sciences. Byzantino Bulgarica. Sofia, 1973.

MLA (8th ed.) Citation

Académie bulgare des sciences. Byzantino Bulgarica. Sofia, 1973.

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