APA (7th ed.) Citation

Pharis, W. L. (1966). In-service education of elementary school principals. Dept. of Elementary School Principals, National Education Association.

Chicago Style (17th ed.) Citation

Pharis, William L. In-service Education of Elementary School Principals. Washington: Dept. of Elementary School Principals, National Education Association, 1966.

MLA (9th ed.) Citation

Pharis, William L. In-service Education of Elementary School Principals. Dept. of Elementary School Principals, National Education Association, 1966.