Richards, H. G. (1962). Studies on the marine Pleistocene: Part I. The marine Pleistocene of the Americas and Europe. Part II. The marine Pleistocene mollusks of Eastern North America. American Philosophical Society.
Citación estilo ChicagoRichards, Horace G. Studies on the Marine Pleistocene: Part I. The Marine Pleistocene of the Americas and Europe. Part II. The Marine Pleistocene Mollusks of Eastern North America. Philadelphia: American Philosophical Society, 1962.
Cita MLARichards, Horace G. Studies on the Marine Pleistocene: Part I. The Marine Pleistocene of the Americas and Europe. Part II. The Marine Pleistocene Mollusks of Eastern North America. American Philosophical Society, 1962.
Warning: These citations may not always be 100% accurate.