APA (7th ed.) Citation

Stevenson, S. (2013). Robert Louis Stevenson and the portrait photographers.

Chicago Style (17th ed.) Citation

Stevenson, Sara. Robert Louis Stevenson and the Portrait Photographers. 2013.

MLA (9th ed.) Citation

Stevenson, Sara. Robert Louis Stevenson and the Portrait Photographers. 2013.

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