APA استشهاد

Needham, A. E. (1974). Significance of zoochromes. Springer.

استشهاد بنمط شيكاغو

Needham, Arthur E. Significance of Zoochromes. New york: Springer, 1974.

MLA استشهاد

Needham, Arthur E. Significance of Zoochromes. Springer, 1974.