Cita APA (7a ed.)

Hartland, P. C. (1950). Balance of interregional payments of New England. Brown University.

Cita Chicago Style (17a ed.)

Hartland, Penelope C. Balance of Interregional Payments of New England. Providence: Brown University, 1950.

Cita MLA (9a ed.)

Hartland, Penelope C. Balance of Interregional Payments of New England. Brown University, 1950.

Precaución: Estas citas no son 100% exactas.