APA (7th ed.) Citation

O'Brien, R. L., Link, W., & Nevins, A. Reminiscences of Robert Lincoln O'Brien.

Chicago Style (17th ed.) Citation

O'Brien, Robert Lincoln, Wendell Link, and Allan Nevins. Reminiscences of Robert Lincoln O'Brien.

MLA (8th ed.) Citation

O'Brien, Robert Lincoln, et al. Reminiscences of Robert Lincoln O'Brien.