APA (7th ed.) Citation

Amato, D. R., & López del Bosque, R. (1977). !Hola!: Spanish reading keys. Economy Company.

Chicago Style (17th ed.) Citation

Amato, Dolores Rose, and Rogelio López del Bosque. !Hola!: Spanish Reading Keys. Oklahoma City: Economy Company, 1977.

MLA (9th ed.) Citation

Amato, Dolores Rose, and Rogelio López del Bosque. !Hola!: Spanish Reading Keys. Economy Company, 1977.