Buhrs, M., & Fengel, M. (2013). On photography: Martin Fengel. Kerber.
Cita Chicago Style (17a ed.)Buhrs, Michael, y Martin Fengel. On Photography: Martin Fengel. Bielefeld [u.a.]: Kerber, 2013.
Cita MLA (8a ed.)Buhrs, Michael, y Martin Fengel. On Photography: Martin Fengel. Kerber, 2013.
Precaución: Estas citas no son 100% exactas.