APA (7th ed.) Citation

Brown, R. F. (1965). Collins Spanish gem dictionary: Spanish-English, English-Spanish. Collins.

Chicago Style (17th ed.) Citation

Brown, Reginald F. Collins Spanish Gem Dictionary: Spanish-English, English-Spanish. London [etc.]: Collins, 1965.

MLA (9th ed.) Citation

Brown, Reginald F. Collins Spanish Gem Dictionary: Spanish-English, English-Spanish. Collins, 1965.