APA (7th ed.) Citation

Delderfield, E. R., & Lambert, A. J. (1990). Kings & queens of England & Great Britain. Facts on File.

Chicago Style (17th ed.) Citation

Delderfield, Eric R., and Anthony J. Lambert. Kings & Queens of England & Great Britain. New York: Facts on File, 1990.

MLA (9th ed.) Citation

Delderfield, Eric R., and Anthony J. Lambert. Kings & Queens of England & Great Britain. Facts on File, 1990.