APA (7th ed.) Citation

Dvortsova, N. P., Volkomorova, O. B., & Bulatova, E. K. (2017, June). The book selling landscape in Tyumen region. Библиосфера.

Chicago Style (17th ed.) Citation

Dvortsova, N. P., O. B. Volkomorova, and E. K. Bulatova. "The Book Selling Landscape in Tyumen Region." Библиосфера Jun. 2017.

MLA (9th ed.) Citation

Dvortsova, N. P., et al. "The Book Selling Landscape in Tyumen Region." Библиосфера, Jun. 2017.