APA (7th ed.) Citation

Feldman, E. P., Kalugina, N. A., & Malinnikova, O. N. (2010). Phase states of methane in coal and gas content of coal massif.

Chicago Style (17th ed.) Citation

Feldman, E. P., N. A. Kalugina, and O. N. Malinnikova. Phase States of Methane in Coal and Gas Content of Coal Massif. 2010.

MLA (8th ed.) Citation

Feldman, E. P., et al. Phase States of Methane in Coal and Gas Content of Coal Massif. 2010.