APA (7th ed.) Citation

Valle, R. d. (1946). Las llaves invisibles. Zig-Zag.

Chicago Style (17th ed.) Citation

Valle, Rosamel del. Las Llaves Invisibles. Santiago: Zig-Zag, 1946.

MLA (9th ed.) Citation

Valle, Rosamel del. Las Llaves Invisibles. Zig-Zag, 1946.

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