APA (7th ed.) Citation

Anderson, F. G. (1953). The ancient secret: In search of the Holy Grail .. Gollancz.

Chicago Style (17th ed.) Citation

Anderson, Flavia Giffard. The Ancient Secret: In Search of the Holy Grail .. London: Gollancz, 1953.

MLA (9th ed.) Citation

Anderson, Flavia Giffard. The Ancient Secret: In Search of the Holy Grail .. Gollancz, 1953.

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