APA (7th ed.) Citation

Humphries, C. J., Rumsey, F. J., Charles III, K. o. G. B., & Brockman, J. (2008). The Highgrove florilegium: Watercolours depicting plants grown in the garden at Highgrove. Addision Publications.

Chicago Style (17th ed.) Citation

Humphries, C. J., Frederick J. Rumsey, King of Great Britain Charles III, and James Brockman. The Highgrove Florilegium: Watercolours Depicting Plants Grown in the Garden at Highgrove. London: Addision Publications, 2008.

MLA (9th ed.) Citation

Humphries, C. J., et al. The Highgrove Florilegium: Watercolours Depicting Plants Grown in the Garden at Highgrove. Addision Publications, 2008.