Cita APA (7a ed.)

Galbraith, V. H. (1964). An introduction to the study of history. Watts.

Cita Chicago Style (17a ed.)

Galbraith, Vivian Hunter. An Introduction to the Study of History. London: Watts, 1964.

Cita MLA (9a ed.)

Galbraith, Vivian Hunter. An Introduction to the Study of History. Watts, 1964.