Cita APA (7a ed.)
Drummond, H., Webb, W. R., & Hamil, J. The Greatest Thing in the World: Henry Drummond's Inspirational Classic in a Modern, Readable Edition, With Other Selected Essays. Hallmark Cards.
Cita estilo Chicago (17a ed.)
Drummond, Henry, William R. Webb, y James Hamil. The Greatest Thing in the World: Henry Drummond's Inspirational Classic in a Modern, Readable Edition, With Other Selected Essays. Kansas, EUA: Hallmark Cards.
Cita MLA (9a ed.)
Drummond, Henry, et al. The Greatest Thing in the World: Henry Drummond's Inspirational Classic in a Modern, Readable Edition, With Other Selected Essays. Hallmark Cards.
Precaución: Estas citas no son 100% exactas.