Cita APA (7a ed.)

Mardia, K. V. (1972). Statistics of directional data. Academic Press.

Cita Chicago Style (17a ed.)

Mardia, K. V. Statistics of Directional Data. London: Academic Press, 1972.

Cita MLA (9a ed.)

Mardia, K. V. Statistics of Directional Data. Academic Press, 1972.