APA (7e ed.) Bronvermelding

Harper. The End of Days. The University of North Carolina Press.

Chicago (17e ed.) Bronvermelding

Harper. The End of Days. The University of North Carolina Press.

MLA (8e ed.) Bronvermelding

Harper. The End of Days. The University of North Carolina Press.

Let op: Deze citaties zijn niet altijd 100% accuraat.