Cita APA (7a ed.)
Helfer, D. S., & Heinrich, H. (2012). Is Its Future Up in the Clouds? Searcher (1070-4795), 20(2), 18-24.
Cita Chicago Style (17a ed.)
Helfer, Doris Small, y Helen Heinrich. "Is Its Future Up in the Clouds?" Searcher (1070-4795) 20, no. 2 (2012): 18-24.
Cita MLA (9a ed.)
Helfer, Doris Small, y Helen Heinrich. "Is Its Future Up in the Clouds?" Searcher (1070-4795), vol. 20, no. 2, 2012, pp. 18-24.
Precaución: Estas citas no son 100% exactas.