Cita APA (7a ed.)

Laing, L. H. (1950). Source book in European governments. Sloane.

Cita Chicago Style (17a ed.)

Laing, Lionel Hassell. Source Book in European Governments. New York: Sloane, 1950.

Cita MLA (9a ed.)

Laing, Lionel Hassell. Source Book in European Governments. Sloane, 1950.