MLA

Ledin, Per, and David Machin. Doing Visual Analysis : From Theory to Practice. Thousand Oaks, Calif.: Sage Publications, 2018.

APA

Ledin, P., & Machin, D. (2018). Doing visual analysis : from theory to practice. Thousand Oaks, Calif.: Sage Publications.

Chicago

Ledin, Per., and David Machin. Doing Visual Analysis: From Theory to Practice. Thousand Oaks, Calif.: Sage Publications, 2018.