Cita APA (7th ed.)

Keck, L. E. (2015). Echoes of the Word. The Lutterworth Press.

Cita Chicago (17th ed.)

Keck, Leander E. Echoes of the Word. Cambridge: The Lutterworth Press, 2015.

Cita MLA (9th ed.)

Keck, Leander E. Echoes of the Word. The Lutterworth Press, 2015.