APA
Packard Alpheus S, . (1898). A text-book of entomology including the anatomy, physiology, embryology and metamorphoses of insects. LONDON: THE MACMILLAN CO.
Chicago
Packard Alpheus S, . 1898. A text-book of entomology including the anatomy, physiology, embryology and metamorphoses of insects. LONDON: THE MACMILLAN CO.
Harvard
Packard Alpheus S, . (1898). A text-book of entomology including the anatomy, physiology, embryology and metamorphoses of insects. LONDON: THE MACMILLAN CO.
MLA
Packard Alpheus S, . A text-book of entomology including the anatomy, physiology, embryology and metamorphoses of insects. LONDON: THE MACMILLAN CO. 1898.