APA (7th ed.) Citation

Purucker, G. d. (1987). Esoteric teachings. Esoteric teachings.

Chicago Style (17th ed.) Citation

Purucker, Gottfried de. "Esoteric Teachings." Esoteric Teachings 1987.

MLA (8th ed.) Citation

Purucker, Gottfried de. "Esoteric Teachings." Esoteric Teachings, 1987.

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