APA (7th ed.) Citation

Ilsley, L. C. (1930). Teaching safety through approval plate. [publisher not identified].

Chicago Style (17th ed.) Citation

Ilsley, L. C. Teaching Safety Through Approval Plate. Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Ilsley, L. C. Teaching Safety Through Approval Plate. [publisher not identified], 1930.

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