APA Citation

Blavatsky, H. P. H. H. 1. -. 1., & Blavatsky, H. P. H. H. 1. -. 1. (1913). The Secret doctrine: The synthesis of science, religion, and philosophy. London, Sydney: Theosophical Pub. Society.

Chicago Style Citation

Blavatsky, Helene Petrovna Hahn Hahn 1831 - 1891, and Helene Petrovna Hahn Hahn 1831 - 1891 Blavatsky. The Secret Doctrine: The Synthesis of Science, Religion, and Philosophy. London, Sydney: Theosophical Pub. Society, 1913.

MLA Citation

Blavatsky, Helene Petrovna Hahn Hahn 1831 - 1891, and Helene Petrovna Hahn Hahn 1831 - 1891 Blavatsky. The Secret Doctrine: The Synthesis of Science, Religion, and Philosophy. London, Sydney: Theosophical Pub. Society, 1913.

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