Catalogue of the Coleoptera of America : north of Mexico
MLA
Leng, Charles W. Catalogue of the Coleoptera of America: North of Mexico. Mount Vernon, N.Y.: J. D. Sherman, 1920
APA, 7th edition
Leng, C. W. (1920). Catalogue of the Coleoptera of America: north of Mexico. Mount Vernon, N.Y.: J. D. Sherman
Chicago, 17th edition
Leng, Charles W. Catalogue of the Coleoptera of America: north of Mexico. Mount Vernon, N.Y.: J. D. Sherman, 1920