The cyclophorid operculate land mollusks of America

MLA

Torre y Huerta, Carlos de la, Paul Bartsch and Joseph Paul Eldred. Morrison. The cyclophorid operculate land mollusks of America. Washington : United States Govt. Print. Off., 1942.

APA

Torre y Huerta, C., Bartsch, P. & Morrison, J. (1942). The cyclophorid operculate land mollusks of America. Washington : United States Govt. Print. Off..

Chicago

Torre y Huerta, Carlos de la, Paul Bartsch and Joseph Paul Eldred. Morrison. The cyclophorid operculate land mollusks of America. Washington : United States Govt. Print. Off., 1942.