APA (7th ed.) Citation

Plumb, J. H., & Wheldon, H. (1977). Royal heritage: The treasures of the British crown. Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Plumb, J. H.,, and Huw Wheldon. Royal Heritage: The Treasures of the British Crown. New York: Harcourt Brace Jovanovich, 1977.

MLA (8th ed.) Citation

Plumb, J. H.,, and Huw Wheldon. Royal Heritage: The Treasures of the British Crown. Harcourt Brace Jovanovich, 1977.