APA (7th ed.) Citation

Crossley, D., Chesterton, M. C., & Campbell, O. W. (2018). Six Point Group: Correspondence: C. Adam Matthew Digital.

Chicago Style (17th ed.) Citation

Crossley, Dorothy, Mrs Cecil Chesterton, and Olwen W. Campbell. Six Point Group: Correspondence: C. Marlborough, Wiltshire: Adam Matthew Digital, 2018.

MLA (9th ed.) Citation

Crossley, Dorothy, et al. Six Point Group: Correspondence: C. Adam Matthew Digital, 2018.

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