APA (7th ed.) Citation

Grigorʹev, A. A., Whittaker, R. T., Egorov, B. F., & Ptushkina, I. G. (1999). Pisʹma. Nauka.

Chicago Style (17th ed.) Citation

Grigorʹev, Apollon Aleksandrovich, Robert T. Whittaker, Boris Fedorovich Egorov, and I. G. Ptushkina. Pisʹma. Moskva: Nauka, 1999.

MLA (8th ed.) Citation

Grigorʹev, Apollon Aleksandrovich, et al. Pisʹma. Nauka, 1999.