APA引文

Alston, D. G., & Schmitt, D. P. (1987). Population Density and Spatial Pattern of Heterodera glycines in Relation to Soybean Phenology. Society of Nematologists.

Citação norma Chicago

Alston, D. G., and D. P. Schmitt. Population Density and Spatial Pattern Of Heterodera Glycines in Relation To Soybean Phenology. Society of Nematologists, 1987.

MLA引文

Alston, D. G., and D. P. Schmitt. Population Density and Spatial Pattern Of Heterodera Glycines in Relation To Soybean Phenology. Society of Nematologists, 1987.

警告：這些引文格式不一定是100％准確.