APA Citation

Gail, M. (1969). The three Popes: An account of the great schism when rival Popes in Rome, Avignon, and Pisa vied for the rule of Christendom. New York: Simon and Schuster.

Chicago Style Citation

Gail, Marzieh. The Three Popes: An Account of the Great Schism When Rival Popes in Rome, Avignon, and Pisa Vied for the Rule of Christendom. New York: Simon and Schuster, 1969.

MLA Citation

Gail, Marzieh. The Three Popes: An Account of the Great Schism When Rival Popes in Rome, Avignon, and Pisa Vied for the Rule of Christendom. New York: Simon and Schuster, 1969.

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