APA (7th ed.) Citation

Castellan, G., & Todorov, N. (1976). La Bulgarie. P.U.F.

Chicago Style (17th ed.) Citation

Castellan, Georges, and Nikolai Todorov. La Bulgarie. Paris: P.U.F, 1976.

MLA (9th ed.) Citation

Castellan, Georges, and Nikolai Todorov. La Bulgarie. P.U.F, 1976.