APA引文

Ballestero, D. (2003). Study of the Layer of Sediment in the San Juan River.

Citación estilo Chicago

Ballestero, Daniel. Study of the Layer of Sediment in the San Juan River. 2003.

MLA引文

Ballestero, Daniel. Study of the Layer of Sediment in the San Juan River. 2003.

警告：這些引文格式不一定是100％准確.