Cita APA (7a ed.)

Ball, M. S., & Smith, G. W. (1992). Analyzing visual data. Qualitative research methods.

Cita Chicago Style (17a ed.)

Ball, Michael S., y Gregory White Smith. "Analyzing Visual Data." Qualitative Research Methods 1992.

Cita MLA (8a ed.)

Ball, Michael S., y Gregory White Smith. "Analyzing Visual Data." Qualitative Research Methods, 1992.