APA (7th ed.) Citation
Heck, J. G. (1994). Heck's pictorial archive of art and architecture. Dover Publications.
Chicago Style (17th ed.) Citation
Heck, Johann Georg. Heck's Pictorial Archive of Art and Architecture. New York: Dover Publications, 1994.
MLA (9th ed.) Citation
Heck, Johann Georg. Heck's Pictorial Archive of Art and Architecture. Dover Publications, 1994.
Warning: These citations may not always be 100% accurate.