Cita APA (7a ed.)
Clark, L. E., Wickeraham, C., & Elson, B. Sayula popoluca texts: Grammatical outline.
Cita Chicago Style (17a ed.)
Clark, Lawrence E., Charles Wickeraham, y Benjamin Elson. Sayula Popoluca Texts: Grammatical Outline.
Cita MLA (9a ed.)
Clark, Lawrence E., et al. Sayula Popoluca Texts: Grammatical Outline.
警告：這些引文格式不一定是100％准確.