APA (7th ed.) Citation

Gill, T. H. (1866). The Papal drama: A historical essay. Longmans, Green, & Co..

Chicago Style (17th ed.) Citation

Gill, Thomas Hornblower. The Papal Drama: A Historical Essay. London: Longmans, Green, & Co., 1866.

MLA (8th ed.) Citation

Gill, Thomas Hornblower. The Papal Drama: A Historical Essay. Longmans, Green, & Co., 1866.