The Valkyrie
MLA
Wagner, Richard, et al. The Valkyrie. London: EMI Records, 1976
APA, 7th edition
Wagner, R., Porter, A., Curphey, M., Hunter, R., Howard, A., Remedios, A., Bailey, N., Grant, C., & Goodall, R. (1976). The Valkyrie. London: EMI Records
Chicago, 17th edition
Wagner, Richard, Andrew Porter, Margaret Curphey, Rita Hunter, Ann Howard, Alberto Remedios, Norman Bailey, Clifford Grant, and Reginald Goodall. The Valkyrie. London: EMI Records, 1976