APA引文

Allen, V. T., & Scheid, V. E. Nontronite in the Columbia river region.

Chicago Style (17th ed.) Citation

Allen, Victor T., and Vernon Edward Scheid. Nontronite in the Columbia River Region. n.p.

MLA引文

Allen, Victor T., and Vernon Edward Scheid. Nontronite in the Columbia River Region.

警告：這些引文格式不一定是100％准確.