Cita APA (7th ed.)
Draper, E., Gorges, H., & Petersen, K. (1990). The Almanac of the Christian world. Tyndale House Publishers.
Cita Chicago (17th ed.)
Draper, Edythe, Helen Gorges, i Kenneth Petersen. The Almanac of the Christian World. Wheaton, Ill.: Tyndale House Publishers, 1990.
Cita MLA (9th ed.)
Draper, Edythe, et al. The Almanac of the Christian World. Tyndale House Publishers, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.