Παραπομπή APA

Gadow, H. F., & Gaskell, J. F. G. (1933). Evolution of the vertebral column. university Press.

Παραπομπή Chicago Style

Gadow, H F., και J F Green Gaskell. Evolution of the Vertebral Column. Cambridge: university Press, 1933.

Παραπομπή MLA

Gadow, H F., και J F Green Gaskell. Evolution of the Vertebral Column. university Press, 1933.