Cita APA (7a ed.)

VELASQUEZ, M. a. S. Ollerdorff's new method of learning toread, write, and speak the spanish language.

Cita Chicago Style (17a ed.)

VELASQUEZ, M. and SIMONNET. Ollerdorff's New Method of Learning Toread, Write, and Speak the Spanish Language. New York.

Cita MLA (8a ed.)

VELASQUEZ, M. and SIMONNET. Ollerdorff's New Method of Learning Toread, Write, and Speak the Spanish Language.