APA (7th ed.) Citation

Cortina, R. D. d. l. (1943). Cortina's Spanish in 20 lessons: Intended for self-study and for use in schools, with a new system of phonetic pronunciation to enable the student to speak correct Spanish (Completely rev.). Cortina.

Chicago Style (17th ed.) Citation

Cortina, R. Diez de la. Cortina's Spanish in 20 Lessons: Intended for Self-study and for Use in Schools, with a New System of Phonetic Pronunciation to Enable the Student to Speak Correct Spanish. Completely rev. [New York]: Cortina, 1943.

MLA (9th ed.) Citation

Cortina, R. Diez de la. Cortina's Spanish in 20 Lessons: Intended for Self-study and for Use in Schools, with a New System of Phonetic Pronunciation to Enable the Student to Speak Correct Spanish. Completely rev. Cortina, 1943.

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