Cita APA (7a ed.)
Winthrop, H. (Oct-Dec1971). Two Pioneer Programs in Studies of the Future. Science Education, 55(4), 573-583.
Cita Chicago Style (17a ed.)
Winthrop, Henry. "Two Pioneer Programs in Studies of the Future." Science Education 55, no. 4 (Oct-Dec1971): 573-583.
Cita MLA (9a ed.)
Winthrop, Henry. "Two Pioneer Programs in Studies of the Future." Science Education, vol. 55, no. 4, Oct-Dec1971, pp. 573-583.
Precaución: Estas citas no son 100% exactas.