APA (7th ed.) Citation

Vershkova E. M. Elena Mikhailovna, Petinka Petkova, & Grinkevich A. Anastasia. (2016). Current situation of oil refinery in Bulgaria; IOP Conference Series: Earth and Environmental Science; Vol. 43 : Problems of Geology and Subsurface Development. 2016. https://doi.org/10.1088/1755-1315/43/1/012096

Chicago Style (17th ed.) Citation

Vershkova E. M. Elena Mikhailovna, Petinka Petkova, and Grinkevich A. Anastasia. Current Situation of Oil Refinery in Bulgaria; IOP Conference Series: Earth and Environmental Science; Vol. 43 : Problems of Geology and Subsurface Development. 2016, 2016. https://doi.org/10.1088/1755-1315/43/1/012096.

MLA (9th ed.) Citation

Vershkova E. M. Elena Mikhailovna, et al. Current Situation of Oil Refinery in Bulgaria; IOP Conference Series: Earth and Environmental Science; Vol. 43 : Problems of Geology and Subsurface Development. 2016, 2016. https://doi.org/10.1088/1755-1315/43/1/012096.