APA (7th ed.) Citation

Fortey, R. A. (2012). Horseshoe crabs and velvet worms: The story of the animals and plants that time has left behind (1st American ed.). Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Fortey, Richard A. Horseshoe Crabs and Velvet Worms: The Story of the Animals and Plants That Time Has Left Behind. 1st American ed. New York: Alfred A. Knopf, 2012.

MLA (9th ed.) Citation

Fortey, Richard A. Horseshoe Crabs and Velvet Worms: The Story of the Animals and Plants That Time Has Left Behind. 1st American ed. Alfred A. Knopf, 2012.