Cita APA (7a ed.)

Gunning, E. (2019). Public relations: A practical approach (Third edition.). Red globe press.

Cita Chicago Style (17a ed.)

Gunning, Ellen. Public Relations: A Practical Approach. Third edition. London: Red globe press, 2019.

Cita MLA (9a ed.)

Gunning, Ellen. Public Relations: A Practical Approach. Third edition. Red globe press, 2019.