APA (7th ed.) Citation

Ross, M. (1980). Rulers and governments of the world (Repr. (twice).). Bowker.

Chicago Style (17th ed.) Citation

Ross, Martha. Rulers and Governments of the World. Repr. (twice). London ; New York: Bowker, 1980.

MLA (9th ed.) Citation

Ross, Martha. Rulers and Governments of the World. Repr. (twice). Bowker, 1980.