APA (7th ed.) Zitazioa

Darwin, C. The Formation of Vegetable Mould Through the Action of Worms With Observations on Their Habits.

Chicago Style (17th ed.) Zitazioa

Darwin, Charles. The Formation of Vegetable Mould Through the Action of Worms With Observations on Their Habits.

MLA (9th ed.) Zitazioa

Darwin, Charles. The Formation of Vegetable Mould Through the Action of Worms With Observations on Their Habits.