एपीए उद्धरण

Schroeder, H., & Lehmann, F. (1933). Cost of German Medical Journals.

शिकागो स्टाइल उद्धरण

Schroeder, Hermann, और F. Lehmann. Cost of German Medical Journals. 1933.

एमएलए उद्धरण

Schroeder, Hermann, और F. Lehmann. Cost of German Medical Journals. 1933.