Cite

Chronological sequence - Dr. Tsai Liu-sheng, professor of Chemistry

MLA

Chronological Sequence - Dr. Tsai Liu-Sheng, Professor of Chemistry. 1947. https://collections.library.yale.edu/catalog/12376805.

APA, 6th edition

Chronological sequence - Dr. Tsai Liu-sheng, professor of Chemistry. (1947). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12376805.