APA (7th ed.) Citation

Charles, P. o. W. (2012). The Prince's speech: On the future of food. Rodale.

Chicago Style (17th ed.) Citation

Charles, Prince of Wales. The Prince's Speech: On the Future of Food. Emmaus, Pa.: Rodale, 2012.

MLA (8th ed.) Citation

Charles, Prince of Wales. The Prince's Speech: On the Future of Food. Rodale, 2012.

Warning: These citations may not always be 100% accurate.