Raymond L Ditmars & Raymond L Ditmars. (1931). Snakes of the world. Macmillan.
Chicago Edition CitationRaymond L Ditmars and Raymond L Ditmars. Snakes of the World. Macmillan, 1931.
MLA Edition CitationRaymond L Ditmars and Raymond L Ditmars. Snakes of the World. Macmillan, 1931.
Warning: These citations may not always be 100% accurate.