MLA

Annenkov, IUrii, and Aleksandr Aleksandrovich Blok. Pamiati Aleksandra Bloka, 1880-1980. London: Overseas Publications Interchange, 1980.

APA

Annenkov, I., & Blok, A. Aleksandrovich. (1980). Pamiati Aleksandra Bloka, 1880-1980. London: Overseas Publications Interchange.

Chicago

Annenkov, IUrii, and Aleksandr Aleksandrovich Blok. Pamiati Aleksandra Bloka, 1880-1980. London: Overseas Publications Interchange, 1980.