Blackman, M. W. Notes on Forest Insects. III. Two New Species of Pityophthorus From Colorado. Wiley.
Chicago Style (17th ed.) CitationBlackman, M. W. Notes on Forest Insects. III. Two New Species of Pityophthorus From Colorado. Wiley.
MLA (9th ed.) CitationBlackman, M. W. Notes on Forest Insects. III. Two New Species of Pityophthorus From Colorado. Wiley.
Warning: These citations may not always be 100% accurate.