APA (7th ed.) Citation

Krajushkin, V. A., & Shevchenko, N. B. (2018). To the problem of non-biogenic nature of petroleum.

Chicago Style (17th ed.) Citation

Krajushkin, V. A., and N. B. Shevchenko. To the Problem of Non-biogenic Nature of Petroleum. 2018.

MLA (8th ed.) Citation

Krajushkin, V. A., and N. B. Shevchenko. To the Problem of Non-biogenic Nature of Petroleum. 2018.

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