Cita APA

Twenhofel,William H.and Shrock,Robert R. (1935). Invertebrate Palaeontology. Mc Graw Hill.

Citación estilo Chicago

Twenhofel,William H.and Shrock,Robert R. Invertebrate Palaeontology. New York: Mc Graw Hill, 1935.

Cita MLA

Twenhofel,William H.and Shrock,Robert R. Invertebrate Palaeontology. Mc Graw Hill, 1935.

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