APA (7th ed.) Citation

Ruchatz, J. (2010). The photograph as externalization and trace. A companion to cultural memory studies.

Chicago Style (17th ed.) Citation

Ruchatz, Jens. "The Photograph as Externalization and Trace." A Companion to Cultural Memory Studies 2010.

MLA (8th ed.) Citation

Ruchatz, Jens. "The Photograph as Externalization and Trace." A Companion to Cultural Memory Studies, 2010.

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