APA (7th ed.) Citation

Ferreira, V. (1998). Pensar (6ª.). Bertrand Editora.

Chicago Style (17th ed.) Citation

Ferreira, Vergílio. Pensar. 6ª. Bertrand Editora, 1998.

MLA (8th ed.) Citation

Ferreira, Vergílio. Pensar. 6ª. Bertrand Editora, 1998.

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