APA (7th ed.) Citation

Sacken, C. R. O. On a Supposed Case of Seasonal Dimorphism Among Diptera. Wiley.

Chicago Style (17th ed.) Citation

Sacken, C. R. Osten. On a Supposed Case of Seasonal Dimorphism Among Diptera. Wiley.

MLA (9th ed.) Citation

Sacken, C. R. Osten. On a Supposed Case of Seasonal Dimorphism Among Diptera. Wiley.

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