APA (7th ed.) Citation

Coville, R. E. (1982). Wasps of the genus Trypoxylon subgenus Trypargilum in North America (Hymenoptera: Sphecidae). Univ. of California.

Chicago Style (17th ed.) Citation

Coville, Rollin E. Wasps of the Genus Trypoxylon Subgenus Trypargilum in North America (Hymenoptera: Sphecidae). Berkeley [u.a.]: Univ. of California, 1982.

MLA (9th ed.) Citation

Coville, Rollin E. Wasps of the Genus Trypoxylon Subgenus Trypargilum in North America (Hymenoptera: Sphecidae). Univ. of California, 1982.

Warning: These citations may not always be 100% accurate.