MLA

George, et al. Pancyclic and Bipancyclic Graphs. Springer International Publishing, 2016.

APA

George, G., George, J. C, Khodkar, A., & Wallis, W. D. (2016). Pancyclic and Bipancyclic Graphs. Springer International Publishing.

Chicago

George, John C George, Abdollah Khodkar, and W. D Wallis. Pancyclic and Bipancyclic Graphs. : Springer International Publishing, 2016.