Kruse, F., Williams, B., & Deely, J. (1986). Frontiers in Semiotics. Indiana University Press.
芝加哥风格引文Kruse, Felicia, Brooke Williams, 与 John Deely. Frontiers in Semiotics. Bloomington: Indiana University Press, 1986.
MLA引文Kruse, Felicia, et al. Frontiers in Semiotics. Indiana University Press, 1986.
警告：这些引文格式不一定是100％准确.