Cita APA (7a ed.)

Singles, K. (2013). Alternate history: Playing with contingency and necessity (1st edition.). De Gruyter.

Cita Chicago Style (17a ed.)

Singles, Kathleen. Alternate History: Playing with Contingency and Necessity. 1st edition. Berlin [etc.]: De Gruyter, 2013.

Cita MLA (9a ed.)

Singles, Kathleen. Alternate History: Playing with Contingency and Necessity. 1st edition. De Gruyter, 2013.