एपीए उद्धरण

Copeland, M. T. (1917). The cotton manufacturing industry of the United States. Cambridge: Harvard university.

शिकागो स्टाइल उद्धरण

Copeland, Melvin Thomas. The Cotton Manufacturing Industry of the United States. Cambridge: Harvard university, 1917.

एमएलए उद्धरण

Copeland, Melvin Thomas. The Cotton Manufacturing Industry of the United States. Cambridge: Harvard university, 1917.