APA (7th ed.) Citation

Griswold, T., & Parker, F. D. A New Species of Protosmia Ducke From Spain With Notes on Related Species (Hymenoptera: Megachilidae). Wiley.

Chicago Style (17th ed.) Citation

Griswold, Terry, and Frank D. Parker. A New Species of Protosmia Ducke From Spain With Notes on Related Species (Hymenoptera: Megachilidae). Wiley.

MLA (9th ed.) Citation

Griswold, Terry, and Frank D. Parker. A New Species of Protosmia Ducke From Spain With Notes on Related Species (Hymenoptera: Megachilidae). Wiley.

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