APA

De Ferrari G., . (1990). A cloud on sand. New York: Alfred A. Knopf.

Chicago

De Ferrari Gabriella, . 1990. A cloud on sand. New York: Alfred A. Knopf.

Harvard

De Ferrari G., . (1990). A cloud on sand. New York: Alfred A. Knopf.

MLA

De Ferrari Gabriella, . A cloud on sand. New York: Alfred A. Knopf. 1990.