Cita APA (7a ed.)

Opfer, V. D., Kaufman, J. H., & Thompson, L. E. (2016). Implementation of K-12 state standards for mathematics and English language arts and literacy: Findings from the American teacher panel. Rand Corporation.

Cita Chicago Style (17a ed.)

Opfer, V. Darleen, Julia H. Kaufman, y Lindsey E. Thompson. Implementation of K-12 State Standards for Mathematics and English Language Arts and Literacy: Findings from the American Teacher Panel. Santa Monica, Calif.: Rand Corporation, 2016.

Cita MLA (8a ed.)

Opfer, V. Darleen, et al. Implementation of K-12 State Standards for Mathematics and English Language Arts and Literacy: Findings from the American Teacher Panel. Rand Corporation, 2016.