APA (7th ed.) Citation

Chapman, R. W., Carter, J. W., Hayward, J., & Sadleir, M. (1951). Book collecting. Bowes & Bowes.

Chicago Style (17th ed.) Citation

Chapman, Robert William, John Waynflete Carter, John Hayward, and Michael Sadleir. Book Collecting. Cambridge: Bowes & Bowes, 1951.

MLA (9th ed.) Citation

Chapman, Robert William, et al. Book Collecting. Bowes & Bowes, 1951.

Warning: These citations may not always be 100% accurate.