APA

Coelho p., R. clarke A., . (2012). The alchemist. London: Harper.

Chicago

Coelho paulo, R. clarke Alan, . 2012. The alchemist. London: Harper.

Harvard

Coelho p., R. clarke A., . (2012). The alchemist. London: Harper.

MLA

Coelho paulo, R. clarke Alan, . The alchemist. London: Harper. 2012.