APA-referens (7:e uppl.)

Gill, J., & Flood, E. (1964). The Orthodox, their relations with Rome. Paulist Press.

Chicago-referens (17:e uppl.)

Gill, Joseph, och Edmund Flood. The Orthodox, Their Relations with Rome. Glen Rock, N.J.: Paulist Press, 1964.

MLA-referens (8:e uppl.)

Gill, Joseph, och Edmund Flood. The Orthodox, Their Relations with Rome. Paulist Press, 1964.