APA (7th ed.) Citation

U.S. Office of Education. Division of Visual Aids. Sectional views and projections, finish marks.

Chicago Style (17th ed.) Citation

U.S. Office of Education. Division of Visual Aids. Sectional Views and Projections, Finish Marks. Produced by [the ] Division of Visual Aids, U.S. Office of Education [and ] Federal Security Agency.

MLA (9th ed.) Citation

U.S. Office of Education. Division of Visual Aids. Sectional Views and Projections, Finish Marks.

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