Cita APA (7th ed.)

(1978). Collins gem spanish-english, english-spanish dictionary. Collins Clear-Type Press.

Cita Chicago (17th ed.)

Collins Gem Spanish-english, English-spanish Dictionary. Great Britain: Collins Clear-Type Press, 1978.

Cita MLA (9th ed.)

Collins Gem Spanish-english, English-spanish Dictionary. Collins Clear-Type Press, 1978.