APA引文

Puchta, H., Ramm, K., & Sänger, H. L. (1988). Nucleotide sequence of a hop stunt viroid isolate from the German grapevine cultivar 'Riesling'.

Citação norma Chicago

Puchta, H., K. Ramm, and H L. Sänger. Nucleotide Sequence of a Hop Stunt Viroid Isolate From the German Grapevine Cultivar 'Riesling'. 1988.

MLA引文

Puchta, H., K. Ramm, and H L. Sänger. Nucleotide Sequence of a Hop Stunt Viroid Isolate From the German Grapevine Cultivar 'Riesling'. 1988.

警告：這些引文格式不一定是100％准確.