APA (7th ed.) Citation

Trend, J. B. (1957). Portugal. Ernest Benn Limited.

Chicago Style (17th ed.) Citation

Trend, J. B. Portugal. London: Ernest Benn Limited, 1957.

MLA (9th ed.) Citation

Trend, J. B. Portugal. Ernest Benn Limited, 1957.

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