APA način citiranja (7. izdanje)

Tracy, H. C. (1927). Towards the open: A preface to scientific humanism. E.P. Dutton & Company.

Čikaški stil citiranja (17. izdanje)

Tracy, Henry Chester. Towards the Open: A Preface to Scientific Humanism. New York: E.P. Dutton & Company, 1927.

MLA način citiranja (8. izdanje)

Tracy, Henry Chester. Towards the Open: A Preface to Scientific Humanism. E.P. Dutton & Company, 1927.