APA (7th ed.) Citation

Freinet, C. (1970). Los Métodos naturales. Fontanella [etc].

Chicago Style (17th ed.) Citation

Freinet, Célestin. Los Métodos Naturales. Barcelona [etc]: Fontanella [etc], 1970.

MLA (9th ed.) Citation

Freinet, Célestin. Los Métodos Naturales. Fontanella [etc], 1970.

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