APA (7th ed.) Citation

Radostin, D., & Penka, Z. (2021). Determination of the optimal air-fuel ratio for upgraded biogas engine operation. EDP Sciences.

Chicago Style (17th ed.) Citation

Radostin, Dimitrov, and Zlateva Penka. Determination of the Optimal Air-fuel Ratio for Upgraded Biogas Engine Operation. EDP Sciences, 2021.

MLA (8th ed.) Citation

Radostin, Dimitrov, and Zlateva Penka. Determination of the Optimal Air-fuel Ratio for Upgraded Biogas Engine Operation. EDP Sciences, 2021.

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