APA (7th ed.) Citation

Croucher, J. H., & Le Gray, G. (1853). Plain directions for obtaining photographic pictures...: With a supplement, containing the heliochrome process. A. Hart.

Chicago Style (17th ed.) Citation

Croucher, J. H., and Gustave Le Gray. Plain Directions for Obtaining Photographic Pictures...: With a Supplement, Containing the Heliochrome Process. Philadelphia: A. Hart, 1853.

MLA (9th ed.) Citation

Croucher, J. H., and Gustave Le Gray. Plain Directions for Obtaining Photographic Pictures...: With a Supplement, Containing the Heliochrome Process. A. Hart, 1853.