Cita APA (7th ed.)
Hubbard, E. A Message to Garcia: Being a Preachment. Roycrofters.
Cita Chicago (17th ed.)
Hubbard, Elbert. A Message to Garcia: Being a Preachment. Nueva York, EUA: Roycrofters.
Cita MLA (9th ed.)
Hubbard, Elbert. A Message to Garcia: Being a Preachment. Roycrofters.
Atenció: Aquestes cites poden no estar 100% correctes.