APA (7th ed.) Citation

Nägeli, C. A Mechanico-Physiological Theory of Organic Evolution.

Chicago Style (17th ed.) Citation

Nägeli, Carl. A Mechanico-Physiological Theory of Organic Evolution.

MLA (9th ed.) Citation

Nägeli, Carl. A Mechanico-Physiological Theory of Organic Evolution.

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