Cita APA (7a ed.)
Harrison, W. F., & Welker, D. W. (1997). Intermediate Spanish memory book: A new approach to vocabulary building. University of Texas Press.
Cita Chicago Style (17a ed.)
Harrison, William F., y Dorothy Winters Welker. Intermediate Spanish Memory Book: A New Approach to Vocabulary Building. Austin: University of Texas Press, 1997.
Cita MLA (9a ed.)
Harrison, William F., y Dorothy Winters Welker. Intermediate Spanish Memory Book: A New Approach to Vocabulary Building. University of Texas Press, 1997.
Precaución: Estas citas no son 100% exactas.