APA-referens (7:e uppl.)

Eggers, A., & Spirling, A. (2017). Incumbency effects and the strength of party preferences: Evidence from multiparty elections in the United Kingdom. University of Chicago Press.

Chicago-referens (17:e uppl.)

Eggers, A., och A. Spirling. Incumbency Effects and the Strength of Party Preferences: Evidence from Multiparty Elections in the United Kingdom. University of Chicago Press, 2017.

MLA-referens (9:e uppl.)

Eggers, A., och A. Spirling. Incumbency Effects and the Strength of Party Preferences: Evidence from Multiparty Elections in the United Kingdom. University of Chicago Press, 2017.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.