APA (7th ed.) Citation

District of Columbia. Board of Education. (1930). Boards of examiners; circular of examinations, teachers, librarians, salaries. U.S. GPO.

Chicago Style (17th ed.) Citation

District of Columbia. Board of Education. Boards of Examiners; Circular of Examinations, Teachers, Librarians, Salaries. Washington: U.S. GPO, 1930.

MLA (9th ed.) Citation

District of Columbia. Board of Education. Boards of Examiners; Circular of Examinations, Teachers, Librarians, Salaries. U.S. GPO, 1930.