APA
Trident Reference Publishing, Editor in Chief : Bart Druben, . (2008). The 21st Century Webster's International Encyclopedia. China: Trident Reference Publishing.
Chicago
Trident Reference Publishing, Editor in Chief : Bart Druben, . 2008. The 21st Century Webster's International Encyclopedia. China: Trident Reference Publishing.
Harvard
Trident Reference Publishing, Editor in Chief : Bart Druben, . (2008). The 21st Century Webster's International Encyclopedia. China: Trident Reference Publishing.
MLA
Trident Reference Publishing, Editor in Chief : Bart Druben, . The 21st Century Webster's International Encyclopedia. China: Trident Reference Publishing. 2008.
