APA引文

Innozenz, I., & Cheney, C. R. (1953). Selected letters of Pope Innocent III concerning England (1198-1216). Nelson.

Chicago Style (17th ed.) Citation

Innozenz, III., and Christopher R. Cheney. Selected Letters of Pope Innocent III Concerning England (1198-1216). London [u.a.]: Nelson, 1953.

MLA引文

Innozenz, III., and Christopher R. Cheney. Selected Letters of Pope Innocent III Concerning England (1198-1216). Nelson, 1953.

警告：這些引文格式不一定是100％准確.