एपीए उद्धरण

Rand,Ayn. (1961). Virtue of selfishness. Signet Book.

शिकागो स्टाइल उद्धरण

Rand,Ayn. Virtue of Selfishness. New Jersey: Signet Book, 1961.

एमएलए उद्धरण

Rand,Ayn. Virtue of Selfishness. Signet Book, 1961.