APA (7th ed.) Citation

Kalashnikova, L. A., & Vassoevich, A. L. (1990). Boris Borisovich Piotrovskiĭ. "Nauka".

Chicago Style (17th ed.) Citation

Kalashnikova, L. A., and A. L. Vassoevich. Boris Borisovich Piotrovskiĭ. Moskva: "Nauka", 1990.

MLA (8th ed.) Citation

Kalashnikova, L. A., and A. L. Vassoevich. Boris Borisovich Piotrovskiĭ. "Nauka", 1990.