APA (7th ed.) Citation

Dos Passos, J. (1970). The Portugal story: Three centuries of exploration and discovery. Hale.

Chicago Style (17th ed.) Citation

Dos Passos, John. The Portugal Story: Three Centuries of Exploration and Discovery. London: Hale, 1970.

MLA (8th ed.) Citation

Dos Passos, John. The Portugal Story: Three Centuries of Exploration and Discovery. Hale, 1970.

Warning: These citations may not always be 100% accurate.