Cita APA (7a ed.)

Gerard, J. (1897). The gunpowder plot and the gunpowder plotters: In reply to Professor Gardiner. Harper & Brothers.

Cita Chicago Style (17a ed.)

Gerard, John. The Gunpowder Plot and the Gunpowder Plotters: In Reply to Professor Gardiner. London ; New York: Harper & Brothers, 1897.

Cita MLA (8a ed.)

Gerard, John. The Gunpowder Plot and the Gunpowder Plotters: In Reply to Professor Gardiner. Harper & Brothers, 1897.