APA

Smith J. B., Smithsonian Institution. United States National Museum, .Bulletin of the United States National Museum. N° 44. Catalogue of the lepidopterous superfamily noctuidae found in boreal America / by John B. Smith, Sc. D., professor of entomology in rutgers college. Washington : Government Printing Office, 1893: .

Chicago

Smith John B, Smithsonian Institution. United States National Museum, .Bulletin of the United States National Museum. N° 44. Catalogue of the lepidopterous superfamily noctuidae found in boreal America / by John B. Smith, Sc. D., professor of entomology in rutgers college. Washington : Government Printing Office, 1893: .

Harvard

Smith J. B., Smithsonian Institution. United States National Museum, .Bulletin of the United States National Museum. N° 44. Catalogue of the lepidopterous superfamily noctuidae found in boreal America / by John B. Smith, Sc. D., professor of entomology in rutgers college. Washington : Government Printing Office, 1893: .

MLA

Smith John B, Smithsonian Institution. United States National Museum, .Washington : Government Printing Office, 1893: . .