Cita APA (7a ed.)

Ingersoll, R. G. (1929). The works of Robert G. Ingersoll .. Ingersoll league.

Cita Chicago Style (17a ed.)

Ingersoll, Robert Green. The Works of Robert G. Ingersoll .. New York: Ingersoll league, 1929.

Cita MLA (8a ed.)

Ingersoll, Robert Green. The Works of Robert G. Ingersoll .. Ingersoll league, 1929.