APA (7th ed.) Citation

Duck, S. (1991). Friends, for life : the psychology of personal relationships / Steve Duck: The psychology of personal relationships (2nd ed.). Harvester Wheatsheaf.

Chicago Style (17th ed.) Citation

Duck, Steve. Friends, for Life : The Psychology of Personal Relationships / Steve Duck: The Psychology of Personal Relationships. 2nd ed. New York ; London: Harvester Wheatsheaf, 1991.

MLA (9th ed.) Citation

Duck, Steve. Friends, for Life : The Psychology of Personal Relationships / Steve Duck: The Psychology of Personal Relationships. 2nd ed. Harvester Wheatsheaf, 1991.

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