WATT, W. M. (1983). Islam and Christianity today: A contribution to dialogue. Routledge and Kegan Paul.
Citazione stile Chigago Style (17a edizione)WATT, W. Montgomery. Islam and Christianity Today: A Contribution to Dialogue. London: Routledge and Kegan Paul, 1983.
Citatione MLA (9a ed.)WATT, W. Montgomery. Islam and Christianity Today: A Contribution to Dialogue. Routledge and Kegan Paul, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.