Cita APA (7a ed.)

SHEERIN, J. B. (1967). A practical Guide to Ecumenism (revis. edition.). Paulist Press.

Cita Chicago Style (17a ed.)

SHEERIN, John B. A Practical Guide to Ecumenism. revis. edition. New York: Paulist Press, 1967.

Cita MLA (9a ed.)

SHEERIN, John B. A Practical Guide to Ecumenism. revis. edition. Paulist Press, 1967.