Kew, W. S. W. (1920). Cretaceous and Cenozoic echinoidea of the Pacific Coast of North America. University of California Press.
Chicago Style (17th ed.) CitationKew, William Stephen Webster. Cretaceous and Cenozoic Echinoidea of the Pacific Coast of North America. Berkeley, Calif: University of California Press, 1920.
MLA (9th ed.) CitationKew, William Stephen Webster. Cretaceous and Cenozoic Echinoidea of the Pacific Coast of North America. University of California Press, 1920.
Warning: These citations may not always be 100% accurate.