APA (7th ed.) Citation

Gill, T. H. (1866). The Papal drama. Longmans, Green, and Co.

Chicago Style (17th ed.) Citation

Gill, Thomas H. The Papal Drama. London: Longmans, Green, and Co, 1866.

MLA (9th ed.) Citation

Gill, Thomas H. The Papal Drama. Longmans, Green, and Co, 1866.

Warning: These citations may not always be 100% accurate.