एपीए उद्धरण

Alexis Gregory. (1971). Nobel prize library: Gerhart Hauptmamm. Alexis Gregory.

शिकागो स्टाइल उद्धरण

Alexis Gregory. Nobel Prize Library: Gerhart Hauptmamm. New York: Alexis Gregory, 1971.

एमएलए उद्धरण

Alexis Gregory. Nobel Prize Library: Gerhart Hauptmamm. Alexis Gregory, 1971.