APA (7th ed.) Citation

Hillman, J. A. (2013). $PD_4$-complexes and 2-dimensional duality groups.

Chicago Style (17th ed.) Citation

Hillman, Jonathan A. $PD_4$-complexes and 2-dimensional Duality Groups. 2013.

MLA (9th ed.) Citation

Hillman, Jonathan A. $PD_4$-complexes and 2-dimensional Duality Groups. 2013.

Warning: These citations may not always be 100% accurate.