APA (7th ed.) Citation

National association of secondary-school principals. (1917). Bulletin. v. 1- (no. [1]--); 1917-. s.n.

Chicago Style (17th ed.) Citation

National association of secondary-school principals. Bulletin. V. 1- (no. [1]--); 1917-. [Washington], etc: s.n, 1917.

MLA (9th ed.) Citation

National association of secondary-school principals. Bulletin. V. 1- (no. [1]--); 1917-. s.n, 1917.