Cita APA

O'Brien, D. J. (1992). Isaac Hecker: An American Catholic. Paulist Press.

Citación estilo Chicago

O'Brien, David J. Isaac Hecker: An American Catholic. New York: Paulist Press, 1992.

Cita MLA

O'Brien, David J. Isaac Hecker: An American Catholic. Paulist Press, 1992.

Warning: These citations may not always be 100% accurate.