Cita APA (7th ed.)
Butler, J. H., & Butler, J. G. Tzutujil verbs = Tzutuhil verbs.
Cita Chicago (17th ed.)
Butler, James H., i Judy Garland Butler. Tzutujil Verbs = Tzutuhil Verbs.
Cita MLA (9th ed.)
Butler, James H., i Judy Garland Butler. Tzutujil Verbs = Tzutuhil Verbs.
Atenció: Aquestes cites poden no estar 100% correctes.