APA (7th ed.) Citation

Kühner, R., & Kühner, R. (1933). Études sur le genre marasmius.

Chicago Style (17th ed.) Citation

Kühner, Robert, and Robert Kühner. Études Sur Le Genre Marasmius. Paris, 1933.

MLA (9th ed.) Citation

Kühner, Robert, and Robert Kühner. Études Sur Le Genre Marasmius. 1933.

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