APA (7th ed.) Citation

Duck, S. (1991). Understanding relationship. Guilford Pr.

Chicago Style (17th ed.) Citation

Duck, Steve. Understanding Relationship. New York [u. a.]: Guilford Pr, 1991.

MLA (9th ed.) Citation

Duck, Steve. Understanding Relationship. Guilford Pr, 1991.

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