Cita APA (7a ed.)

Karlen, D. L., Kemper, W. O., & Wright, . R. J. (1995). Agriculture utilization of urban and industrial by-products. ASACSSASSSA.

Cita Chicago Style (17a ed.)

Karlen, D. L., W. O. Kemper, y R. J. Wright. Agriculture Utilization of Urban and Industrial By-products. Madison, Wisconsin: ASACSSASSSA, 1995.

Cita MLA (8a ed.)

Karlen, D. L., et al. Agriculture Utilization of Urban and Industrial By-products. ASACSSASSSA, 1995.