Cita APA (7a ed.)

Levenson, A. I., & Eggly, S. (1993). Gramática española para estudiantes de inglés =: A simplified grammar for Spanish speakers learning English / Ana I. Levenson, Susan Eggly. Olivia and Hill Press.

Cita Chicago Style (17a ed.)

Levenson, Ana I., y Susan Eggly. Gramática Española Para Estudiantes De Inglés =: A Simplified Grammar for Spanish Speakers Learning English / Ana I. Levenson, Susan Eggly. Ann Arbor, Mich.: Olivia and Hill Press, 1993.

Cita MLA (8a ed.)

Levenson, Ana I., y Susan Eggly. Gramática Española Para Estudiantes De Inglés =: A Simplified Grammar for Spanish Speakers Learning English / Ana I. Levenson, Susan Eggly. Olivia and Hill Press, 1993.