Darwin, C., & Howard, A. (1945). The formation of vegetable mould through the action of worms, with observations on their habits. Faber and Faber Limited.
Chicago Style (17th ed.) CitationDarwin, Charles, and Albert Howard. The Formation of Vegetable Mould Through the Action of Worms, with Observations on Their Habits. London: Faber and Faber Limited, 1945.
MLA (9th ed.) CitationDarwin, Charles, and Albert Howard. The Formation of Vegetable Mould Through the Action of Worms, with Observations on Their Habits. Faber and Faber Limited, 1945.
Warning: These citations may not always be 100% accurate.