APA (7th ed.) Citation

Batygin, V., Chomet, S., & Dean, P. J. (1970). Problems in electrodynamics. Academic Press.

Chicago Style (17th ed.) Citation

Batygin, Vladimir, S. Chomet, and P. J. Dean. Problems in Electrodynamics. London: Academic Press, 1970.

MLA (9th ed.) Citation

Batygin, Vladimir, et al. Problems in Electrodynamics. Academic Press, 1970.