APA (7th ed.) Citation

Opalko, A. I. (2014). Gennady Efremovich Zaikov — scientist and encyclopedist (on the 80th anniversary of his birth).

Chicago Style (17th ed.) Citation

Opalko, A. I. Gennady Efremovich Zaikov — Scientist and Encyclopedist (on the 80th Anniversary of His Birth). 2014.

MLA (8th ed.) Citation

Opalko, A. I. Gennady Efremovich Zaikov — Scientist and Encyclopedist (on the 80th Anniversary of His Birth). 2014.

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