APA (7th ed.) Citation

Freinet, C. (1970). Los métodos naturales. Fontanella.

Chicago Style (17th ed.) Citation

Freinet, Celestin. Los Métodos Naturales. Fontanella, 1970.

MLA (9th ed.) Citation

Freinet, Celestin. Los Métodos Naturales. Fontanella, 1970.

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