APA (7th ed.) Citation

Ustinov, P. (1992). El viejo y mister Smith. Planeta.

Chicago Style (17th ed.) Citation

Ustinov, Peter. El Viejo Y Mister Smith. Buenos Aires: Planeta, 1992.

MLA (9th ed.) Citation

Ustinov, Peter. El Viejo Y Mister Smith. Planeta, 1992.

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