APA引文

Ulrich, J. M., & Shrift, A. (1968). Selenium Absorption by Excised Astragalus Roots.

Citação norma Chicago

Ulrich, Jane M., and Alex Shrift. Selenium Absorption By Excised Astragalus Roots. 1968.

MLA引文

Ulrich, Jane M., and Alex Shrift. Selenium Absorption By Excised Astragalus Roots. 1968.

警告：這些引文格式不一定是100％准確.