Abalos, J. W. The Egg-Sac in the Identification of Species of Latrodectus (Black-Widow Spiders). Wiley.
Chicago Style (17th ed.) CitationAbalos, J. W. The Egg-Sac in the Identification of Species of Latrodectus (Black-Widow Spiders). Wiley.
MLA (9th ed.) CitationAbalos, J. W. The Egg-Sac in the Identification of Species of Latrodectus (Black-Widow Spiders). Wiley.
Warning: These citations may not always be 100% accurate.