Cita APA (7a ed.)

Wall, E. J. (1927). Intensification and reduction: A critical résumé of all known methods with references to the original monographs. American Photographic Publishing Co.

Cita Chicago Style (17a ed.)

Wall, E. J. Intensification and Reduction: A Critical Résumé of All Known Methods with References to the Original Monographs. Boston: American Photographic Publishing Co, 1927.

Cita MLA (9a ed.)

Wall, E. J. Intensification and Reduction: A Critical Résumé of All Known Methods with References to the Original Monographs. American Photographic Publishing Co, 1927.