APA استشهاد

Zenkevitch,L. (1963). Biology of the seas of the U.S.S.R. Interscience publishers.

استشهاد بنمط شيكاغو

Zenkevitch,L. Biology of the Seas of the U.S.S.R. New york: Interscience publishers, 1963.

MLA استشهاد

Zenkevitch,L. Biology of the Seas of the U.S.S.R. Interscience publishers, 1963.