APA (7th ed.) Citation

Dawkins, K., Dickerson, D., & Butler, S. (2003). Pre-Service Science Teachers' Pedagogical Content Knowledge Regarding Density.

Chicago Style (17th ed.) Citation

Dawkins, Karen, Daniel Dickerson, and Susan Butler. Pre-Service Science Teachers' Pedagogical Content Knowledge Regarding Density. 2003.

MLA (9th ed.) Citation

Dawkins, Karen, et al. Pre-Service Science Teachers' Pedagogical Content Knowledge Regarding Density. 2003.