APA (7th ed.) Citation

Karol III, Elżbieta, & Ward, J. (1991). HRH the prince of Wales watercolours. Little, Brown and Company.

Chicago Style (17th ed.) Citation

Karol III, Elżbieta, and John Ward. HRH the Prince of Wales Watercolours. Boston [etc.]: Little, Brown and Company, 1991.

MLA (9th ed.) Citation

Karol III, et al. HRH the Prince of Wales Watercolours. Little, Brown and Company, 1991.