The Catholic encounter with world religions,

MLA

van Straelen, Henricus J. J. M, and Paolo Marella. The Catholic Encounter with World Religions. London: Burns & Oates, 1966.

APA

van Straelen, H. J. J. M, & Marella, P. (1966). The Catholic encounter with world religions. London: Burns & Oates.

Chicago

van Straelen, Henricus J. J. M., and Paolo Marella. The Catholic Encounter with World Religions,. London: Burns & Oates, 1966.