Packard, A. S. A Preliminary Sketch of the Sphingicampidae, a New Group of Protosphingine Lepidoptera, with Its Subdivisions—I. Wiley.
Chicago Style (17th ed.) CitationPackard, A. S. A Preliminary Sketch of the Sphingicampidae, a New Group of Protosphingine Lepidoptera, with Its Subdivisions—I. Wiley.
MLA (9th ed.) CitationPackard, A. S. A Preliminary Sketch of the Sphingicampidae, a New Group of Protosphingine Lepidoptera, with Its Subdivisions—I. Wiley.
Warning: These citations may not always be 100% accurate.