Cita APA (7th ed.)

Schmitt, C. J. (1989). Schaum's outline of Spanish grammar (3rd ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Schmitt, Conrad J. Schaum's Outline of Spanish Grammar. 3rd ed. New York: McGraw-Hill, 1989.

Cita MLA (9th ed.)

Schmitt, Conrad J. Schaum's Outline of Spanish Grammar. 3rd ed. McGraw-Hill, 1989.