APA (7th ed.) Citation

V. N. Dermendjiev, Stavrev, K. Y., Rušin, V., & Rybanský, M. On the problem of the secondary polar zone of prominence activity.

Chicago Style (17th ed.) Citation

V. N. Dermendjiev, K. Y. Stavrev, Vojtech Rušin, and M. Rybanský. On the Problem of the Secondary Polar Zone of Prominence Activity.

MLA (9th ed.) Citation

V. N. Dermendjiev, et al. On the Problem of the Secondary Polar Zone of Prominence Activity.