APA استشهاد

Beermann, W. (1972). Developmental studies on giant chromosomes. Springer Verlag.

استشهاد بنمط شيكاغو

Beermann, W. Developmental Studies on Giant Chromosomes. New York: Springer Verlag, 1972.

MLA استشهاد

Beermann, W. Developmental Studies on Giant Chromosomes. Springer Verlag, 1972.