Citazione Stile APA (7a Edizione)

Wolpert, L. (1977). The development of pattern and form in animals (2nd ed., rev.). Carolina Biological Supply Co..

Citazione stile Chigago Style (17a edizione)

Wolpert, L. The Development of Pattern and Form in Animals. 2nd ed., rev. Burlington, N.C.: Carolina Biological Supply Co., 1977.

Citatione MLA (9a ed.)

Wolpert, L. The Development of Pattern and Form in Animals. 2nd ed., rev. Carolina Biological Supply Co., 1977.