Cita APA (7a ed.)

Howard, R. (1980). Christian maturity. Cowman Publications,Inc..

Cita Chicago Style (17a ed.)

Howard, Rick. Christian Maturity. Los Angeles 38: Cowman Publications,Inc., 1980.

Cita MLA (9a ed.)

Howard, Rick. Christian Maturity. Cowman Publications,Inc., 1980.