APA (7th ed.) Citation

Douglas, D. C., Aspinall, A., & Smith, E. A. (1969). English historical documents. Eyre & Spottiswoode.

Chicago Style (17th ed.) Citation

Douglas, David Charles, Arthur Aspinall, and E. Anthony Smith. English Historical Documents. London: Eyre & Spottiswoode, 1969.

MLA (9th ed.) Citation

Douglas, David Charles, et al. English Historical Documents. Eyre & Spottiswoode, 1969.