APA (7th ed.) Citation

Clifford, W. K., Stephen, L., & Pollock, F. (1886). Lectures and essays (2nd ed.). Macmillan.

Chicago Style (17th ed.) Citation

Clifford, William Kingdon, Leslie Stephen, and Frederick Pollock. Lectures and Essays. 2nd ed. London ; New York: Macmillan, 1886.

MLA (9th ed.) Citation

Clifford, William Kingdon, et al. Lectures and Essays. 2nd ed. Macmillan, 1886.