APA (7th ed.) Citation

Young, A. P., & Aster, S. (1974). The 'X' documents / (by) A.P. Young ; edited by Sidney Aster. Deutsch.

Chicago Style (17th ed.) Citation

Young, Arthur Primrose, and Sidney Aster. The 'X' Documents / (by) A.P. Young ; Edited by Sidney Aster. London: Deutsch, 1974.

MLA (9th ed.) Citation

Young, Arthur Primrose, and Sidney Aster. The 'X' Documents / (by) A.P. Young ; Edited by Sidney Aster. Deutsch, 1974.

Warning: These citations may not always be 100% accurate.