Cita APA (7a ed.)

Hefner, R. W. The struggle for the soul of Islam: Robert W. Hefner. Understanding September 11.(2002).

Cita Chicago Style (17a ed.)

Hefner, Robert W. "The Struggle for the Soul of Islam: Robert W. Hefner." Understanding September 11.(2002) .

Cita MLA (8a ed.)

Hefner, Robert W. "The Struggle for the Soul of Islam: Robert W. Hefner." Understanding September 11.(2002), .