APA (7th ed.) Citation

Kasper, W. (2004). That they may all be one: The call to unity. Burns & Oates.

Chicago Style (17th ed.) Citation

Kasper, Walter. That They May All Be One: The Call to Unity. London ; New York: Burns & Oates, 2004.

MLA (9th ed.) Citation

Kasper, Walter. That They May All Be One: The Call to Unity. Burns & Oates, 2004.