Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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