APA (7th ed.) Citation

Dunphy, D. C., Ogilvie, D., Smith, M., & Stone, P. J. Content analysis.

Chicago Style (17th ed.) Citation

Dunphy, Dexter C., Daniel Ogilvie, Marshall Smith, and Philip J. Stone. Content Analysis.

MLA (9th ed.) Citation

Dunphy, Dexter C., et al. Content Analysis.