एपीए उद्धरण

Lea, H. (1909). The valor of ignorance. New York: Harper & brothers.

शिकागो स्टाइल उद्धरण

Lea, Homer. The Valor of Ignorance. New York: Harper & brothers, 1909.

एमएलए उद्धरण

Lea, Homer. The Valor of Ignorance. New York: Harper & brothers, 1909.