APA (7th ed.) Citation

Ashmead, W. H. Some New Genera of Bees. Wiley.

Chicago Style (17th ed.) Citation

Ashmead, William H. Some New Genera of Bees. Wiley.

MLA (9th ed.) Citation

Ashmead, William H. Some New Genera of Bees. Wiley.

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