Wilson, J. W. The Male Genital Tube of Some of the Species of the Genus Scymnus (Coleoptera, Fam. Coccinellidæ). Wiley.
Chicago Style (17th ed.) CitationWilson, J. W. The Male Genital Tube of Some of the Species of the Genus Scymnus (Coleoptera, Fam. Coccinellidæ). Wiley.
MLA (9th ed.) CitationWilson, J. W. The Male Genital Tube of Some of the Species of the Genus Scymnus (Coleoptera, Fam. Coccinellidæ). Wiley.
Warning: These citations may not always be 100% accurate.