APA (7th ed.) Citation

Addison, H. R., Oakes, C. H., Lawson, W. J., & Sladen, D. B. W. (1849). Who's who. Adam and Charles Black.

Chicago Style (17th ed.) Citation

Addison, H. R., Charles Henry Oakes, William John Lawson, and Douglas Brooke Wheelton Sladen. Who's Who. London: Adam and Charles Black, 1849.

MLA (9th ed.) Citation

Addison, H. R., et al. Who's Who. Adam and Charles Black, 1849.