Valkenberg, P. (2015). Renewing Islam by service: A Christian view of Fethullah Gülen and the Hizmet Movement. The Catholic University of America Press.
Chicago Style (17th ed.) CitationValkenberg, Pim. Renewing Islam by Service: A Christian View of Fethullah Gülen and the Hizmet Movement. Washington, D.C.: The Catholic University of America Press, 2015.
MLA (9th ed.) CitationValkenberg, Pim. Renewing Islam by Service: A Christian View of Fethullah Gülen and the Hizmet Movement. The Catholic University of America Press, 2015.
Warning: These citations may not always be 100% accurate.