Cita APA (7a ed.)

Wollmann, C. A., & Sartori, M. d. G. B. (2010). SEASONAL AND MONTH VARIATION OF CLOUDINESS IN SANTA MARIA, RIO GRANDE DO SUL, FROM 1969 TO 2005. UFPR.

Cita Chicago Style (17a ed.)

Wollmann, Cássio Arthur, y Maria da Graça Barros Sartori. SEASONAL AND MONTH VARIATION OF CLOUDINESS IN SANTA MARIA, RIO GRANDE DO SUL, FROM 1969 TO 2005. UFPR, 2010.

Cita MLA (9a ed.)

Wollmann, Cássio Arthur, y Maria da Graça Barros Sartori. SEASONAL AND MONTH VARIATION OF CLOUDINESS IN SANTA MARIA, RIO GRANDE DO SUL, FROM 1969 TO 2005. UFPR, 2010.