Lacey, R. W. (2008). Hard to Swallow: A brief history of food. Cambridge University Press.
Cita Chicago Style (17a ed.)Lacey, Richard Westgarth. Hard to Swallow: A Brief History of Food. Cambridge: Cambridge University Press, 2008.
Cita MLA (9a ed.)Lacey, Richard Westgarth. Hard to Swallow: A Brief History of Food. Cambridge University Press, 2008.
Precaución: Estas citas no son 100% exactas.