Spence, C. (2018). Why is piquant/spicy food so popular? Elsevier.
Cita Chicago (17th ed.)Spence, C. Why Is Piquant/spicy Food so Popular? Elsevier, 2018.
Cita MLA (9th ed.)Spence, C. Why Is Piquant/spicy Food so Popular? Elsevier, 2018.
Atenció: Aquestes cites poden no estar 100% correctes.