Cita APA

Richards, H. G. (1968). Catalogue of invertebrate fossil types at the Academy of Natural Sciences of Philadelphia. Academy of Natural Sciences.

Citación estilo Chicago

Richards, Horace G. Catalogue of Invertebrate Fossil Types at the Academy of Natural Sciences of Philadelphia. Philadelphia: Academy of Natural Sciences, 1968.

Cita MLA

Richards, Horace G. Catalogue of Invertebrate Fossil Types at the Academy of Natural Sciences of Philadelphia. Academy of Natural Sciences, 1968.

Warning: These citations may not always be 100% accurate.