APA সাইটেশন

Campbell, J. The Unity of the Human Race, considered from an American Standpoint.

শিকাগো স্টাইলে সাইটেশন

Campbell, John. The Unity of the Human Race, Considered From an American Standpoint.

এমএলএ সাইটেশন

Campbell, John. The Unity of the Human Race, Considered From an American Standpoint.