APA (7th ed.) Citation

Duck. (1998). Human relationships (3rd ed.). Sage Publs.

Chicago Style (17th ed.) Citation

Duck. Human Relationships. 3rd ed. London: Sage Publs, 1998.

MLA (8th ed.) Citation

Duck. Human Relationships. 3rd ed. Sage Publs, 1998.

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