APA (7th ed.) Citation

James, H., Stevenson, R. L., & Smith, J. A. (1948). Henry James and Robert Louis Stevenson: A record of friendship and criticism. R. Hart-Davis.

Chicago Style (17th ed.) Citation

James, Henry, Robert Louis Stevenson, and Janet Adam Smith. Henry James and Robert Louis Stevenson: A Record of Friendship and Criticism. London: R. Hart-Davis, 1948.

MLA (9th ed.) Citation

James, Henry, et al. Henry James and Robert Louis Stevenson: A Record of Friendship and Criticism. R. Hart-Davis, 1948.