APA引文

Guardado, J., Keifer, M., Wesseling, C., & Hoffman, J. (2006). Mortality among a Cohort of Banana Plantation Workers in Costa Rica.

Citación estilo Chicago

Guardado, Jorge, Matthew Keifer, Catharina Wesseling, y Jonathan Hoffman. Mortality Among a Cohort of Banana Plantation Workers in Costa Rica. 2006.

MLA引文

Guardado, Jorge, Matthew Keifer, Catharina Wesseling, y Jonathan Hoffman. Mortality Among a Cohort of Banana Plantation Workers in Costa Rica. 2006.

警告：这些引文格式不一定是100％准确.