APA

Humphreys R. A., . (1958). Latin American history: a guide to the literature in English. London: Oxford University Press.

Chicago

Humphreys Robert Arthur, . 1958. Latin American history: a guide to the literature in English. London: Oxford University Press.

Harvard

Humphreys R. A., . (1958). Latin American history: a guide to the literature in English. London: Oxford University Press.

MLA

Humphreys Robert Arthur, . Latin American history: a guide to the literature in English. London: Oxford University Press. 1958.