APA (7th ed.) Citation

Martins, O. (1954). Portugal nos mares. Guimarães Editores.

Chicago Style (17th ed.) Citation

Martins, Oliveira. Portugal Nos Mares. Guimarães Editores, 1954.

MLA (8th ed.) Citation

Martins, Oliveira. Portugal Nos Mares. Guimarães Editores, 1954.

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