APA (7th ed.) Citation

Redford, R. (1978). The outlaw trail: Photography by Jonathan Blair. Elm Tree Books.

Chicago Style (17th ed.) Citation

Redford, Robert. The Outlaw Trail: Photography by Jonathan Blair. London: Elm Tree Books, 1978.

MLA (9th ed.) Citation

Redford, Robert. The Outlaw Trail: Photography by Jonathan Blair. Elm Tree Books, 1978.

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