Cita APA (7a ed.)

Stuvel, G. (1950). The exchange stability problem. H.E. Stenfert Kroese N.V.

Cita Chicago Style (17a ed.)

Stuvel, G. The Exchange Stability Problem. Leiden: H.E. Stenfert Kroese N.V, 1950.

Cita MLA (9a ed.)

Stuvel, G. The Exchange Stability Problem. H.E. Stenfert Kroese N.V, 1950.