APA Style

Liao, S. (2012). Homotopy Analysis Method in Nonlinear Differential Equations (1). Berlin, Heidelberg: Springer Berlin, Heidelberg.

MLA Style

Liao, Shijun. "Homotopy Analysis Method in Nonlinear Differential Equations". 1 Berlin, Heidelberg: Springer Berlin, Heidelberg, 2012. Text.