APA (7th ed.) Citation

Ward, S., Wackman, D. B., & Wartella, E. (1977). How children learn to buy: The development of consumer information-processing skills (2. print.). Sage.

Chicago Style (17th ed.) Citation

Ward, Scott, Daniel B. Wackman, and Ellen Wartella. How Children Learn to Buy: The Development of Consumer Information-processing Skills. 2. print. Beverly Hills: Sage, 1977.

MLA (9th ed.) Citation

Ward, Scott, et al. How Children Learn to Buy: The Development of Consumer Information-processing Skills. 2. print. Sage, 1977.