MLA

Zaslavski, Alexander J, and Zaslavski. Structure of Solutions of Variational Problems. Dordrecht: Springer New York, 2013.

APA

Zaslavski, A. J, & Zaslavski, Z. (2013). Structure of Solutions of Variational Problems. Dordrecht: Springer New York.

Chicago

Zaslavski, Alexander J., and Zaslavski. Structure of Solutions of Variational Problems. Dordrecht: Springer New York, 2013.