APA (7th ed.) Citation

Barnum, P. T. (2008). The Humbugs of the World An Account of Humbugs, Delusions, Impositions, Quackeries, Deceits and Deceivers Generally, in All Ages. Project Gutenberg.

Chicago Style (17th ed.) Citation

Barnum, P. T. The Humbugs of the World An Account of Humbugs, Delusions, Impositions, Quackeries, Deceits and Deceivers Generally, in All Ages. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Barnum, P. T. The Humbugs of the World An Account of Humbugs, Delusions, Impositions, Quackeries, Deceits and Deceivers Generally, in All Ages. Project Gutenberg, 2008.

Warning: These citations may not always be 100% accurate.