APA (7th ed.) Citation

Earp, J. R., Hains, B. A., Pocock, R. W., & Whitehead, T. H. (1971). The Welsh borderland / by J.R. Earp and B.A. Hains (3rd ed.). H.M.S.O..

Chicago Style (17th ed.) Citation

Earp, J. R., B. A. Hains, R. W. Pocock, and T. H. Whitehead. The Welsh Borderland / by J.R. Earp and B.A. Hains. 3rd ed. London: H.M.S.O., 1971.

MLA (9th ed.) Citation

Earp, J. R., et al. The Welsh Borderland / by J.R. Earp and B.A. Hains. 3rd ed. H.M.S.O., 1971.

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