Spence, C. (2018). Why is piquant/spicy food so popular? Elsevier.
Cita Chicago Style (17a ed.)Spence, C. Why Is Piquant/spicy Food so Popular? Elsevier, 2018.
Cita MLA (9a ed.)Spence, C. Why Is Piquant/spicy Food so Popular? Elsevier, 2018.
Precaución: Estas citas no son 100% exactas.