Gaya APA

Casanovas, J, &, K, P, C. (1993). The observations of comets by Valentine Stansel, aseventeenth century Missionary in Brazil. . : .

Gaya MLA

Casanovas, Juan, &, Keenan,, Philip, C.. "The observations of comets by Valentine Stansel, aseventeenth century Missionary in Brazil. ". : , 1993. Majalah.