APA (7th ed.) Citation

Blavatsky, H. P. (1905). The secret doctrine The secret doctrine the synthesis of science, religion, and philosophy.

Chicago Style (17th ed.) Citation

Blavatsky, Helena P. "The Secret Doctrine." The Secret Doctrine the Synthesis of Science, Religion, and Philosophy 1905.

MLA (8th ed.) Citation

Blavatsky, Helena P. "The Secret Doctrine." The Secret Doctrine the Synthesis of Science, Religion, and Philosophy, 1905.

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