APA (7th ed.) Citation

Nikolaevskij, V. N., & Sobisevich, L. E. (2015). The nature of bifocal source of the earthquake and precursors of the blow.

Chicago Style (17th ed.) Citation

Nikolaevskij, V. N., and L. E. Sobisevich. The Nature of Bifocal Source of the Earthquake and Precursors of the Blow. 2015.

MLA (8th ed.) Citation

Nikolaevskij, V. N., and L. E. Sobisevich. The Nature of Bifocal Source of the Earthquake and Precursors of the Blow. 2015.

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