The modern woman
MLA
Keller, Helen. The Modern Woman. Nineteenth Century Collections Online: Women: Transnational Networks. Washington: [s.n.], 1913
APA, 7th edition
Keller, H. (1913). The modern woman. Nineteenth Century Collections Online: Women: Transnational Networks. Washington: [s.n.]
Chicago, 17th edition
Keller, Helen. The modern woman. Nineteenth Century Collections Online: Women: Transnational Networks. Washington: [s.n.], 1913