APA (7th ed.) Citation

Pini, I. (2010). An unusual four-sided prism.

Chicago Style (17th ed.) Citation

Pini, Ingo. An Unusual Four-sided Prism. 2010.

MLA (9th ed.) Citation

Pini, Ingo. An Unusual Four-sided Prism. 2010.

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