APA (7th ed.) Citation

Collins (Firm : New York, N.Y.). (2010). Collins Spanish dictionary (6th U.S. ed.). Collins.

Chicago Style (17th ed.) Citation

Collins (Firm : New York, N.Y.). Collins Spanish Dictionary. 6th U.S. ed. New York: Collins, 2010.

MLA (9th ed.) Citation

Collins (Firm : New York, N.Y.). Collins Spanish Dictionary. 6th U.S. ed. Collins, 2010.