Cita APA (7th ed.)

Riffe, D., Lacy, S., Watson, B. R., & Fico, F. Analyzing media messages: Using quantitative content analysis in research (Fourth edition.).

Cita Chicago (17th ed.)

Riffe, Daniel, Stephen Lacy, Brendan R. Watson, i Frederick Fico. Analyzing Media Messages: Using Quantitative Content Analysis in Research. Fourth edition.

Cita MLA (9th ed.)

Riffe, Daniel, et al. Analyzing Media Messages: Using Quantitative Content Analysis in Research. Fourth edition.