Cita APA (7a ed.)
Watkins, D. (1976). Good photography made easy. David and Charles.
Cita Chicago Style (17a ed.)
Watkins, Derek. Good Photography Made Easy. Newton Abbot ; North Pomfret, Vt.: David and Charles, 1976.
Cita MLA (9a ed.)
Watkins, Derek. Good Photography Made Easy. David and Charles, 1976.
Precaución: Estas citas no son 100% exactas.