(19). History of the photography and microfilm. [s.l] : [s.n.].
Chicago Style (17th ed.) CitationHistory of the Photography and Microfilm. [s.l] : [s.n.], 19.
MLA (9th ed.) CitationHistory of the Photography and Microfilm. [s.l] : [s.n.], 19.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.