Spyri, J., Davenport, P. .., & Armino, M. (2011). Heidi. Oxford University Press.
芝加哥风格引文Spyri, Johanna, Paul .0 Davenport, 与 Monica Armino. Heidi. Oxford: Oxford University Press, 2011.
MLA引文Spyri, Johanna, et al. Heidi. Oxford University Press, 2011.
警告：这些引文格式不一定是100％准确.