Cita APA (7a ed.)
Warren, R. (2002). The purpose-driven life: What on earth am I here for? Oasis International LTD.
Cita Chicago Style (17a ed.)
Warren, Richard. The Purpose-driven Life: What on Earth Am I Here for? Geneva: Oasis International LTD, 2002.
Cita MLA (9a ed.)
Warren, Richard. The Purpose-driven Life: What on Earth Am I Here for? Oasis International LTD, 2002.
Precaución: Estas citas no son 100% exactas.