The secret doctrine: the synthesis of science, religion, and philosophy.
By H. P. Blavatsky.

APA Citation

Blavatsky, H. P. (Helena Petrovna). (1921). The secret doctrine: the synthesis of science, religion, and philosophy. 3d and rev. ed. London: Theosophical pub. house.

MLA Citation

Blavatsky, H. P. (Helena Petrovna), 1831-1891. The Secret Doctrine: the Synthesis of Science, Religion, And Philosophy. 3d and rev. ed. London: Theosophical pub. house, 1921.

Warning: These citations may not always be complete (especially for serials).