APA (7th ed.) Citation

Ross, S. (1987). Chambers guide to the castles of Scotland (Rev., i.e., 2nd ed.). Chambers.

Chicago Style (17th ed.) Citation

Ross, Susan. Chambers Guide to the Castles of Scotland. Rev., i.e., 2nd ed. Edinburgh: Chambers, 1987.

MLA (8th ed.) Citation

Ross, Susan. Chambers Guide to the Castles of Scotland. Rev., i.e., 2nd ed. Chambers, 1987.