Welker , G. Es werde Licht. [s.n.].
Chicago Style (17th ed.) CitationWelker , Georg. Es Werde Licht. [s.n.].
MLA (8th ed.) CitationWelker , Georg. Es Werde Licht. [s.n.].
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation