Wagner, C. L., Wagner, W. R., Gregor-Dellin, M., Mack, D., & Skelton, G. (1978). Cosima Wagner's diaries (1st. ed. --.). New York: Harcourt Brace Jovanovich.
Chicago Style CitationWagner, Cosima Liszt, Wilhelm Richard Wagner, Martin Gregor-Dellin, Dietrich Mack, and Geoffrey Skelton. Cosima Wagner's Diaries. 1st. ed. --. New York: Harcourt Brace Jovanovich, 1978.
MLA CitationWagner, Cosima Liszt, et al. Cosima Wagner's Diaries. 1st. ed. --. New York: Harcourt Brace Jovanovich, 1978.
Warning: These citations may not always be 100% accurate.