APA-referens (7:e uppl.)

Heyden, T. (1841). The seven trumpets, or, A sure way to take and utterly destroy the city of intemperance. Printed by John Murphy & Co..

Chicago-referens (17:e uppl.)

Heyden, Thomas. The Seven Trumpets, or, A Sure Way to Take and Utterly Destroy the City of Intemperance. Baltimore: Printed by John Murphy & Co., 1841.

MLA-referens (8:e uppl.)

Heyden, Thomas. The Seven Trumpets, or, A Sure Way to Take and Utterly Destroy the City of Intemperance. Printed by John Murphy & Co., 1841.