APA (7th ed.) Citation

(1999). One step to Spanish: For, work, business, travel, school, fun. Visual Teaching Systems.

Chicago Style (17th ed.) Citation

One Step to Spanish: For, Work, Business, Travel, School, Fun. Chicago: Visual Teaching Systems, 1999.

MLA (9th ed.) Citation

One Step to Spanish: For, Work, Business, Travel, School, Fun. Visual Teaching Systems, 1999.