APA Style

Clarke, G, L. (1938). Light Penetration in The Gulf of Mexico . Amerika Serikat: Sears Foundation for Marine Research, Bingham Oceanographic Laboratory, Yale University.

MLA Style

Clarke, George, L.. "Light Penetration in The Gulf of Mexico". Amerika Serikat: Sears Foundation for Marine Research, Bingham Oceanographic Laboratory, Yale University, 1938. Buku.