APA (7th ed.) Citation

Smith, P., Frost, A., & Probert, P. (1997). Gyroscopic data fusion via a quaternion based complementary filter.

Chicago Style (17th ed.) Citation

Smith, P., A. Frost, and P. Probert. Gyroscopic Data Fusion via a Quaternion Based Complementary Filter. 1997.

MLA (9th ed.) Citation

Smith, P., et al. Gyroscopic Data Fusion via a Quaternion Based Complementary Filter. 1997.