एपीए उद्धरण

Lapp, R. E. (1967). Roads to discovery. New York: Harper.

शिकागो स्टाइल उद्धरण

Lapp, Ralph E. Roads to Discovery. New York: Harper, 1967.

एमएलए उद्धरण

Lapp, Ralph E. Roads to Discovery. New York: Harper, 1967.