APA (7th ed.) Citation

(1990). The penguin spanish dictionary: Spanish-english english-spanish. Penguin book limited.

Chicago Style (17th ed.) Citation

The Penguin Spanish Dictionary: Spanish-english English-spanish. London: Penguin book limited, 1990.

MLA (9th ed.) Citation

The Penguin Spanish Dictionary: Spanish-english English-spanish. Penguin book limited, 1990.

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