Cita APA (7a ed.)

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.