APA (7th ed.) Citation

Agassiz, L. (1850). On the principles of classification in the animal kingdom: On the structure of the halcyonoid polypi; on the morphology of the Medusa. Press of Walker and James.

Chicago Style (17th ed.) Citation

Agassiz, Louis. On the Principles of Classification in the Animal Kingdom: On the Structure of the Halcyonoid Polypi; on the Morphology of the Medusa. Charleston, S.C.: Press of Walker and James, 1850.

MLA (8th ed.) Citation

Agassiz, Louis. On the Principles of Classification in the Animal Kingdom: On the Structure of the Halcyonoid Polypi; on the Morphology of the Medusa. Press of Walker and James, 1850.

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