APA引文

Holst Schumacher, I., Monge Rojas, R., & Barrantes Santamaría, M. (2007). Prevalence of mild serum vitamin B12 deficiency in rural and urban Costa Rican young adults.

Citación estilo Chicago

Holst Schumacher, Ileana, Rafael Monge Rojas, y Mauro Barrantes Santamaría. Prevalence of Mild Serum Vitamin B12 Deficiency in Rural and Urban Costa Rican Young Adults. 2007.

MLA引文

Holst Schumacher, Ileana, Rafael Monge Rojas, y Mauro Barrantes Santamaría. Prevalence of Mild Serum Vitamin B12 Deficiency in Rural and Urban Costa Rican Young Adults. 2007.

警告：這些引文格式不一定是100％准確.