APA (7th ed.) Citation
Schumann Gálvez, O. Cartilla preliteraria tojolabal.
Chicago Style (17th ed.) Citation
Schumann Gálvez, Otto. Cartilla Preliteraria Tojolabal.
MLA (9th ed.) Citation
Schumann Gálvez, Otto. Cartilla Preliteraria Tojolabal.
Warning: These citations may not always be 100% accurate.