APA (7th ed.) Citation

Steele, R. (2002). civilisation progressive du français. Porto Editora.

Chicago Style (17th ed.) Citation

Steele, Ross. Civilisation Progressive Du Français. Porto Editora, 2002.

MLA (8th ed.) Citation

Steele, Ross. Civilisation Progressive Du Français. Porto Editora, 2002.

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