APA (7th ed.) Citation

Pearson, K. (1901). The ethic of freethought and other addresses and essays (2. ed. (rev.).). Black.

Chicago Style (17th ed.) Citation

Pearson, Karl. The Ethic of Freethought and Other Addresses and Essays. 2. ed. (rev.). London: Black, 1901.

MLA (9th ed.) Citation

Pearson, Karl. The Ethic of Freethought and Other Addresses and Essays. 2. ed. (rev.). Black, 1901.