APA (7th ed.) Citation

Freinet, C. (1977). O método natural II. Editorial Estampa.

Chicago Style (17th ed.) Citation

Freinet, Celestin. O Método Natural II. Editorial Estampa, 1977.

MLA (8th ed.) Citation

Freinet, Celestin. O Método Natural II. Editorial Estampa, 1977.

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