APA (7th ed.) Citation

Sills, C., Lapworth, P., & Desmond, B. (2012). An introduction to Gestalt (Rev. ed.). SAGE.

Chicago Style (17th ed.) Citation

Sills, Charlotte, Phil Lapworth, and Billy Desmond. An Introduction to Gestalt. Rev. ed. Los Angeles, [Calif.] ; London: SAGE, 2012.

MLA (9th ed.) Citation

Sills, Charlotte, et al. An Introduction to Gestalt. Rev. ed. SAGE, 2012.