MLA

van Straelen, Henricus J. J. M, and Robert Nowell. The Church and the Non-christian Religions At the Threshold of the 21st Century : a Historical and Theological Study. London: Avon, 1998.

APA

van Straelen, H. J. J. M, & Nowell, R. (1998). The church and the non-Christian religions at the threshold of the 21st century : a historical and theological study. London: Avon.

Chicago

van Straelen, Henricus J. J. M. The Church and the Non-Christian Religions At the Threshold of the 21st Century: A Historical and Theological Study. Translated by Robert Nowell. London: Avon, 1998.