APA (7th ed.) Citation

Petrov, N. (2019). The Annihilation of Archival Documents of KGB of URSR (1954–1991).

Chicago Style (17th ed.) Citation

Petrov, N. The Annihilation of Archival Documents of KGB of URSR (1954–1991). 2019.

MLA (8th ed.) Citation

Petrov, N. The Annihilation of Archival Documents of KGB of URSR (1954–1991). 2019.

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