MLA

Annenkov, P. V. (Pavel Vasilʹevich), 1813-1887. Aleksandr Sergi︠e︡evich Pushkin v Aleksandrovskui︠u︡ ėpokhu, 1799-1826 gg.. 1874.. https://collections.library.yale.edu/catalog/30899123.

APA, 6th edition

Annenkov, P. V. (Pavel Vasilʹevich), 1813-1887. (1874.)[Aleksandr Sergi︠e︡evich Pushkin v Aleksandrovskui︠u︡ ėpokhu, 1799-1826 gg.]. https://collections.library.yale.edu/catalog/30899123.