APA (7th ed.) Citation

Grigorow, G. (1978). Die schwarze Muschel. Swjat.

Chicago Style (17th ed.) Citation

Grigorow, Georgi. Die Schwarze Muschel. Sofia: Swjat, 1978.

MLA (8th ed.) Citation

Grigorow, Georgi. Die Schwarze Muschel. Swjat, 1978.

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