The key to theosophy,
being a clear exposition, in the form of question and answer, of the ethics, science, and philosophy for the study of which the Theosophical society has been founded,
with a copious glossary of general theosophical terms,
by H. P. Blavatsky.
APA Citation
Blavatsky, H. P. (Helena Petrovna). (1893). The key to theosophy: being a clear exposition, in the form of question and answer, of the ethics, science, and philosophy for the study of which the Theosophical society has been founded. Third and rev. ed. London: Theosophical publishing company.
MLA Citation
Blavatsky, H. P. (Helena Petrovna), 1831-1891. The Key to Theosophy: Being a Clear Exposition, In the Form of Question And Answer, of the Ethics, Science, And Philosophy for the Study of Which the Theosophical Society Has Been Founded. Third and rev. ed. London: Theosophical publishing company, 1893.
Warning: These citations may not always be complete (especially for serials).