APA (7 ম সংস্করণ) উদ্ধৃতি

Blavatsky, H. P. (1921). The secret doctrine: The synthesis of science, religion, and philosophy / by H. P. Blavatsky. The Theosophical Publ. House.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Blavatsky, Helena P. The Secret Doctrine: The Synthesis of Science, Religion, and Philosophy / by H. P. Blavatsky. London: The Theosophical Publ. House, 1921.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Blavatsky, Helena P. The Secret Doctrine: The Synthesis of Science, Religion, and Philosophy / by H. P. Blavatsky. The Theosophical Publ. House, 1921.