APA način citiranja (7. izdanje)
Hsiang, W. Y. (2001). Least action principle of crystal formation of dense packing type and the proof of Kepler's conjecture. World Scientific.
Čikaški stil citiranja (17. izdanje)
Hsiang, Wu Yi. Least Action Principle of Crystal Formation of Dense Packing Type and the Proof of Kepler's Conjecture. Singapore ; River Edge, NJ: World Scientific, 2001.
MLA način citiranja (9. izdanje)
Hsiang, Wu Yi. Least Action Principle of Crystal Formation of Dense Packing Type and the Proof of Kepler's Conjecture. World Scientific, 2001.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.