APA

Smith J. B., . (1888). A monograph of the sphingidae of America North of Mexico. : [s.n.].

Chicago

Smith John B, . 1888. A monograph of the sphingidae of America North of Mexico. : [s.n.].

Harvard

Smith J. B., . (1888). A monograph of the sphingidae of America North of Mexico. : [s.n.].

MLA

Smith John B, . A monograph of the sphingidae of America North of Mexico. : [s.n.]. 1888.