Παραπομπή σε μορφή APA (7η εκδ.)

Ettensohn, C. A., Wray, G. A., & Wessel, G. M. (2004). Development of sea urchins, ascidians, and other invertebrate deuterostomes: Experimental approaches. Elsevier Academic Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ettensohn, Charles A., Gregory A. Wray, και Gary M. Wessel. Development of Sea Urchins, Ascidians, and Other Invertebrate Deuterostomes: Experimental Approaches. Amsterdam ; Boston: Elsevier Academic Press, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ettensohn, Charles A., et al. Development of Sea Urchins, Ascidians, and Other Invertebrate Deuterostomes: Experimental Approaches. Elsevier Academic Press, 2004.