MLA

Ingersoll, Robert Green. “hell” : Warm Words On the Cheerful and Comforting Doctrine of Eternal Damnation. London: Freethought Publishing Company, 1883.

APA

Ingersoll, R. Green. (1883). “Hell” : warm words on the cheerful and comforting doctrine of eternal damnation. London: Freethought Publishing Company.

Chicago

Ingersoll, Robert Green, “hell”: Warm Words On the Cheerful and Comforting Doctrine of Eternal Damnation. London: Freethought Publishing Company, 1883.