Franklin

MLA

Darwin, Charles. The Formation of Vegetable Mould: Through the Action of Worms, with Observations On Their Habits. New York: D. Appleton & Company, 1882.

APA

Darwin, C. (1882). The formation of vegetable mould: through the action of worms, with observations on their habits. New York: D. Appleton & Company.

Chicago

Darwin, Charles, The Formation of Vegetable Mould: Through the Action of Worms, with Observations On Their Habits. New York: D. Appleton & Company, 1882.