Cita APA (7a ed.)
Langford, M. (1994). Advanced Photography (5.vyd.). Focal Press.
Cita Chicago Style (17a ed.)
Langford, Michael. Advanced Photography. 5.vyd. Oxford: Focal Press, 1994.
Cita MLA (9a ed.)
Langford, Michael. Advanced Photography. 5.vyd. Focal Press, 1994.
Precaución: Estas citas no son 100% exactas.