Cita APA (7a ed.)

Ware, C. F., Panikkar, K. M., & Romein, J. (1966). The twentieth century. George Allen und Unwin.

Cita Chicago Style (17a ed.)

Ware, Caroline Farrar, Kavalam Madhava Panikkar, y Jan Romein. The Twentieth Century. London: George Allen und Unwin, 1966.

Cita MLA (9a ed.)

Ware, Caroline Farrar, et al. The Twentieth Century. George Allen und Unwin, 1966.