Bright, M. (1990). Seals. Franklin Watts.
Cita Chicago Style (17a ed.)Bright, Michael. Seals. London: Franklin Watts, 1990.
Cita MLA (9a ed.)Bright, Michael. Seals. Franklin Watts, 1990.
Precaución: Estas citas no son 100% exactas.
Cita APA (7a ed.)