APA (7th ed.) Citation

Villiger, M. (2014). Standard Deviation. Annenberg Learner.

Chicago Style (17th ed.) Citation

Villiger, Maggie. Standard Deviation. District of Columbia: Annenberg Learner, 2014.

MLA (9th ed.) Citation

Villiger, Maggie. Standard Deviation. Annenberg Learner, 2014.