Cita APA (7a ed.)

Christopher, C., & Li, C. (2007). Limit cycles of differential equations. Birkhauser Verlag.

Cita Chicago Style (17a ed.)

Christopher, Colin, y Chengzhi Li. Limit Cycles of Differential Equations. Basel: Birkhauser Verlag, 2007.

Cita MLA (8a ed.)

Christopher, Colin, y Chengzhi Li. Limit Cycles of Differential Equations. Birkhauser Verlag, 2007.