APA (7th ed.) Citation

Pevsner, N., Cherry, B., Isham, G., & Bailey, B. (1973). Northamptonshire (2nd ed.). Penguin.

Chicago Style (17th ed.) Citation

Pevsner, Nikolaus, Bridget Cherry, Gyles Isham, and Bruce Bailey. Northamptonshire. 2nd ed. Harmondsworth, Middlesex, England ; New York: Penguin, 1973.

MLA (8th ed.) Citation

Pevsner, Nikolaus, et al. Northamptonshire. 2nd ed. Penguin, 1973.