APA (7th ed.) Citation

The National elementary principal. (1957). Parents and the schools. s.n.

Chicago Style (17th ed.) Citation

The National elementary principal. Parents and the Schools. [Washington]: s.n, 1957.

MLA (9th ed.) Citation

The National elementary principal. Parents and the Schools. s.n, 1957.

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