APA (7th ed.) Citation

Sahlberg, C. R., & Nyman, J. (1823). Dissertatio entomologica Insecta Fennica enumerans. Frenckell.

Chicago Style (17th ed.) Citation

Sahlberg, Carl Reinhold, and Johannes Nyman. Dissertatio Entomologica Insecta Fennica Enumerans. Aboae: Frenckell, 1823.

MLA (9th ed.) Citation

Sahlberg, Carl Reinhold, and Johannes Nyman. Dissertatio Entomologica Insecta Fennica Enumerans. Frenckell, 1823.

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