APA (7th ed.) Citation

Gayler, J. L., Richards, I., & Morris, J. A. (1966). A sketch-map economic history of Britain (4. ed., rev.). Harrap.

Chicago Style (17th ed.) Citation

Gayler, Joshua L., Irene Richards, and J. A. Morris. A Sketch-map Economic History of Britain. 4. ed., rev. London [u.a.]: Harrap, 1966.

MLA (9th ed.) Citation

Gayler, Joshua L., et al. A Sketch-map Economic History of Britain. 4. ed., rev. Harrap, 1966.