APA (7th ed.) Citation

Ringger, K. A. (1997). The Photographic Society of Philadelphia exhibition of 1886.

Chicago Style (17th ed.) Citation

Ringger, Kirsti Asplund. The Photographic Society of Philadelphia Exhibition of 1886. 1997.

MLA (9th ed.) Citation

Ringger, Kirsti Asplund. The Photographic Society of Philadelphia Exhibition of 1886. 1997.

Warning: These citations may not always be 100% accurate.