APA (7th ed.) Citation

Salazar, A. d. O. (1939). Salazar, prime minister of Portugal says. SPN Books.

Chicago Style (17th ed.) Citation

Salazar, António de Oliveira. Salazar, Prime Minister of Portugal Says. Lisbon: SPN Books, 1939.

MLA (9th ed.) Citation

Salazar, António de Oliveira. Salazar, Prime Minister of Portugal Says. SPN Books, 1939.