APA (7th ed.) Citation
Harrison, W. F., & Welker, D. W. (1996). Portuguese memory book: A new aproach to vocabulary building. University of Texas Press.
Chicago Style (17th ed.) Citation
Harrison, William F., and Dorothy Winters Welker. Portuguese Memory Book: A New Aproach to Vocabulary Building. Austin: University of Texas Press, 1996.
MLA (9th ed.) Citation
Harrison, William F., and Dorothy Winters Welker. Portuguese Memory Book: A New Aproach to Vocabulary Building. University of Texas Press, 1996.
Warning: These citations may not always be 100% accurate.