APA (7th ed.) Citation

Cooray, M. The Story of Man His Origin His Philosophy. [s.n].

Chicago Style (17th ed.) Citation

Cooray, M.P.M. The Story of Man His Origin His Philosophy. [s.l]: [s.n].

MLA (9th ed.) Citation

Cooray, M.P.M. The Story of Man His Origin His Philosophy. [s.n].

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