Cita APA (7th ed.)
Donald B. Kraybill & Introduction by John F. Alexander. (1978). The upside down kingdom. Herald press.
Cita Chicago (17th ed.)
Donald B. Kraybill i Introduction by John F. Alexander. The Upside Down Kingdom. Scottdale: Herald press, 1978.
Cita MLA (9th ed.)
Donald B. Kraybill i Introduction by John F. Alexander. The Upside Down Kingdom. Herald press, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.