APA (7th ed.) Citation

Yakymchuk, M. A. (2014). The Earth and its electric field.

Chicago Style (17th ed.) Citation

Yakymchuk, M. A. The Earth and Its Electric Field. 2014.

MLA (8th ed.) Citation

Yakymchuk, M. A. The Earth and Its Electric Field. 2014.

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