[Krantenknipsel - Professor dr. C. Winkler overleden].

MLA

[krantenknipsel - Professor Dr. C. Winkler Overleden]. s.l.: s.n., 1941.

APA

(1941). [Krantenknipsel - Professor dr. C. Winkler overleden]. s.l.: s.n.

Chicago

[krantenknipsel - Professor Dr. C. Winkler Overleden]. s.l.: s.n., 1941.