Davidson, A. B. (2008). Mir Nikolaja Gumileva, poėta, putešestvennika, voina. "Russkoe Slovo".
Chicago Style (17th ed.) CitationDavidson, Apollon Borisovič. Mir Nikolaja Gumileva, Poėta, Putešestvennika, Voina. Moskva: "Russkoe Slovo", 2008.
MLA (9th ed.) CitationDavidson, Apollon Borisovič. Mir Nikolaja Gumileva, Poėta, Putešestvennika, Voina. "Russkoe Slovo", 2008.
Warning: These citations may not always be 100% accurate.