NA. (1908). British Columbia Syrphidae, new species and additions to the list. Zenodo.
Chicago Style (17th ed.) CitationNA. British Columbia Syrphidae, New Species and Additions to the List. Zenodo, 1908.
MLA (9th ed.) CitationNA. British Columbia Syrphidae, New Species and Additions to the List. Zenodo, 1908.
Warning: These citations may not always be 100% accurate.