APA (7th ed.) Citation

Vries, H. d. (1909). The mutation theory: Experiments and observations on the origin of species in the vegetable kingdom. Open Court.

Chicago Style (17th ed.) Citation

Vries, Hugo de. The Mutation Theory: Experiments and Observations on the Origin of Species in the Vegetable Kingdom. Chicago: Open Court, 1909.

MLA (8th ed.) Citation

Vries, Hugo de. The Mutation Theory: Experiments and Observations on the Origin of Species in the Vegetable Kingdom. Open Court, 1909.

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