APA (7th ed.) Citation

Shelton, N., & Burton, S. (1999). Asertividad. American Media ; Abetas.

Chicago Style (17th ed.) Citation

Shelton, Nelda, and Sharon Burton. Asertividad. [S.l.] : Madrid: American Media ; Abetas, 1999.

MLA (9th ed.) Citation

Shelton, Nelda, and Sharon Burton. Asertividad. American Media ; Abetas, 1999.

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