APA (7th ed.) Citation

Usinger, R. L. Two New Species of Aradidæ From Baltic Amber (Hemiptera). Wiley.

Chicago Style (17th ed.) Citation

Usinger, Robert L. Two New Species of Aradidæ From Baltic Amber (Hemiptera). Wiley.

MLA (9th ed.) Citation

Usinger, Robert L. Two New Species of Aradidæ From Baltic Amber (Hemiptera). Wiley.

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