A course in invertebrate zoölogy :
a guide to the dissection and comparative study of invertebrate animals /
by Henry Sherring Pratt.
APA Citation
Pratt, H. Sherring. (1915). A course in invertebrate zoölogy: a guide to the dissection and comparative study of invertebrate animals. Rev. ed. Boston: Ginn.
MLA Citation
Pratt, Henry Sherring, 1859-1946. A Course In Invertebrate Zoölogy: a Guide to the Dissection And Comparative Study of Invertebrate Animals. Rev. ed. Boston: Ginn, 1915.
Warning: These citations may not always be complete (especially for serials).