Cita APA (7th ed.)

Kirschner, D. (2009). Love in 90 days: The essential guide to finding your own true love. Center Street.

Cita Chicago (17th ed.)

Kirschner, Diana. Love in 90 Days: The Essential Guide to Finding Your Own True Love. New York: Center Street, 2009.

Cita MLA (8th ed.)

Kirschner, Diana. Love in 90 Days: The Essential Guide to Finding Your Own True Love. Center Street, 2009.