APA (7th ed.) Citation

De la Cruz, R. J. (2015). Trace invariance for quaternion matrices. Science Diliman.

Chicago Style (17th ed.) Citation

De la Cruz, Ralph John. "Trace Invariance for Quaternion Matrices." Science Diliman 2015.

MLA (9th ed.) Citation

De la Cruz, Ralph John. "Trace Invariance for Quaternion Matrices." Science Diliman, 2015.

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