APA (7th ed.) Citation

Rampa, T. L. (1974). The cave of the ancients. Corgi Books.

Chicago Style (17th ed.) Citation

Rampa, T. Lobsang. The Cave of the Ancients. London: Corgi Books, 1974.

MLA (9th ed.) Citation

Rampa, T. Lobsang. The Cave of the Ancients. Corgi Books, 1974.