Cita APA (7a ed.)
Roark, A. C. (1979). Laetrile Flunks New Tests; Protein from Green Leaves. Chronicle of Higher Education, 18(22), 13.
Cita Chicago Style (17a ed.)
Roark, Anne C. "Laetrile Flunks New Tests; Protein from Green Leaves." Chronicle of Higher Education 18, no. 22 (1979): 13.
Cita MLA (9a ed.)
Roark, Anne C. "Laetrile Flunks New Tests; Protein from Green Leaves." Chronicle of Higher Education, vol. 18, no. 22, 1979, p. 13.
Precaución: Estas citas no son 100% exactas.