APA (7th ed.) Citation

Cardoso, A. J. A. (1950). Angola, your neighbour. Privately published.

Chicago Style (17th ed.) Citation

Cardoso, Antonio Joaquin Alfaro. Angola, Your Neighbour. [Johannesburg?]: Privately published, 1950.

MLA (9th ed.) Citation

Cardoso, Antonio Joaquin Alfaro. Angola, Your Neighbour. Privately published, 1950.

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