APA

Rickaby J., . (1901). The first principles of knowledge. New York: Longmans, Green and Co.

Chicago

Rickaby John, . 1901. The first principles of knowledge. New York: Longmans, Green and Co.

Harvard

Rickaby J., . (1901). The first principles of knowledge. New York: Longmans, Green and Co.

MLA

Rickaby John, . The first principles of knowledge. New York: Longmans, Green and Co. 1901.