APA (7th ed.) Citation

Valks, H., & Claven, W. (1963). Mi querida Isabel: (cartas a una joven). Studium.

Chicago Style (17th ed.) Citation

Valks, Hans, and Wilhelm Claven. Mi Querida Isabel: (cartas a Una Joven). Madrid: Studium, 1963.

MLA (9th ed.) Citation

Valks, Hans, and Wilhelm Claven. Mi Querida Isabel: (cartas a Una Joven). Studium, 1963.

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