APA (7th ed.) Citation

(1891). Bd. 7, № 1-6. 1891.

Chicago Style (17th ed.) Citation

Bd. 7, № 1-6. 1891, 1891.

MLA (9th ed.) Citation

Bd. 7, № 1-6. 1891, 1891.

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