Keepers of light (the); a history & working guide to early photographic processes

MLA

Crawford, W. Keepers of Light (the); a History & Working Guide to Early Photographic Processes. New York: Morgan & Morgan, 1979.

APA

Crawford, W. (1979). Keepers of light (the); a history & working guide to early photographic processes. New York: Morgan & Morgan.

Chicago

Crawford, W. Keepers of Light (the); a History & Working Guide to Early Photographic Processes. New York: Morgan & Morgan, 1979.