Cita APA (7a ed.)

Clarke, J. I., & Margai, A. (1969). Sierra Leone in maps ([2nd ed.].). University of London Press.

Cita Chicago Style (17a ed.)

Clarke, John Innes, y Albert Margai. Sierra Leone in Maps. [2nd ed.]. London: University of London Press, 1969.

Cita MLA (9a ed.)

Clarke, John Innes, y Albert Margai. Sierra Leone in Maps. [2nd ed.]. University of London Press, 1969.