Gaya APA

Henrietta, H. (1959). The invertebrates:Smaller coelomate groups chaetognatha,hemizordata... . New York: McGraw Hill.

Gaya MLA

Henrietta, Hyman,Libbie. "The invertebrates:Smaller coelomate groups chaetognatha,hemizordata...". New York: McGraw Hill, 1959. Printed Book.