Cita APA (7a ed.)

Kneschke, R., & Koch, C. (2014). Stock photography: Make money selling photos online. MITP.

Cita Chicago Style (17a ed.)

Kneschke, Robert, y Claudia Koch. Stock Photography: Make Money Selling Photos Online. Munich: MITP, 2014.

Cita MLA (8a ed.)

Kneschke, Robert, y Claudia Koch. Stock Photography: Make Money Selling Photos Online. MITP, 2014.