Wallace. (1970). Time-longitude sections of tropical cloudiness (December 1966-November 1967). ESSA.
Cita Chicago (17th ed.)Wallace. Time-longitude Sections of Tropical Cloudiness (December 1966-November 1967). Washington, D.C.: ESSA, 1970.
Cita MLA (8th ed.)Wallace. Time-longitude Sections of Tropical Cloudiness (December 1966-November 1967). ESSA, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.