APA (7th ed.) Citation

Machulina, S. O., & Oliinyk, O. P. (2021). Black shales of Silurian and Devonian deposits of the Fore-Dobrogea trough.

Chicago Style (17th ed.) Citation

Machulina, S. O., and O. P. Oliinyk. Black Shales of Silurian and Devonian Deposits of the Fore-Dobrogea Trough. 2021.

MLA (8th ed.) Citation

Machulina, S. O., and O. P. Oliinyk. Black Shales of Silurian and Devonian Deposits of the Fore-Dobrogea Trough. 2021.

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