Cita APA (7a ed.)

Bourret, J. (1979). La science face aux extra-terrestres. France-Empire.

Cita Chicago Style (17a ed.)

Bourret, Jean-Claude. La Science Face Aux Extra-terrestres. Paris: France-Empire, 1979.

Cita MLA (9a ed.)

Bourret, Jean-Claude. La Science Face Aux Extra-terrestres. France-Empire, 1979.