APA način citiranja (7. izdanje)
Engstrom, T. W. (1985). The fine art of friendship: Building and maintaining quality relationships. Thomas Nelson.
Čikaški stil citiranja (17. izdanje)
Engstrom, Ted W. The Fine Art of Friendship: Building and Maintaining Quality Relationships. Nashville: Thomas Nelson, 1985.
MLA način citiranja (9. izdanje)
Engstrom, Ted W. The Fine Art of Friendship: Building and Maintaining Quality Relationships. Thomas Nelson, 1985.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.