Cita APA

Richards, E. H. (1898). The Urgent Need of Sanitary Education in the Public Schools.

Chicago Style Citation

Richards, Ellen H. The Urgent Need of Sanitary Education in the Public Schools. 1898.

Cita MLA

Richards, Ellen H. The Urgent Need of Sanitary Education in the Public Schools. 1898.

Atenció: Aquestes cites poden no estar 100% correctes.