APA (7th ed.) Citation

Otzemko, O. (2021). Donetsk Basin Mining Engineers Memoirs of Second Half of 19th – Early 20th Century: Professional Aspect.

Chicago Style (17th ed.) Citation

Otzemko, O. Donetsk Basin Mining Engineers Memoirs of Second Half of 19th – Early 20th Century: Professional Aspect. 2021.

MLA (8th ed.) Citation

Otzemko, O. Donetsk Basin Mining Engineers Memoirs of Second Half of 19th – Early 20th Century: Professional Aspect. 2021.

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