APA引文

LÖTSCHER, M., STROH, K., & SCHNYDER, H. (2003). Vertical Leaf Nitrogen Distribution in Relation to Nitrogen Status in Grassland Plants. Ann Bot.

Citação norma Chicago

LÖTSCHER, MARKUS, KATHARINA STROH, and HANS SCHNYDER. "Vertical Leaf Nitrogen Distribution in Relation to Nitrogen Status in Grassland Plants." Ann Bot 2003.

MLA引文

LÖTSCHER, MARKUS, KATHARINA STROH, and HANS SCHNYDER. "Vertical Leaf Nitrogen Distribution in Relation to Nitrogen Status in Grassland Plants." Ann Bot 2003.

警告：這些引文格式不一定是100％准確.