APA-Zitierstil (7. Ausg.)

Draper, J. W. (1990). History of the conflict between religion and science. Project Gutenberg.

Chicago-Zitierstil (17. Ausg.)

Draper, John William. History of the Conflict Between Religion and Science. Champaign, Ill: Project Gutenberg, 1990.

MLA-Zitierstil (9. Ausg.)

Draper, John William. History of the Conflict Between Religion and Science. Project Gutenberg, 1990.