APA (7th ed.) Citation

Duck, S. (2007). Human relationships (4th ed.). SAGE.

Chicago Style (17th ed.) Citation

Duck, Steve. Human Relationships. 4th ed. London, U. K.: SAGE, 2007.

MLA (9th ed.) Citation

Duck, Steve. Human Relationships. 4th ed. SAGE, 2007.

Warning: These citations may not always be 100% accurate.