APA (7th ed.) Citation

Australia. Postmaster-General's Dept. Engineering Branch. (1950). Engineering workshop practice 1. s.n..

Chicago Style (17th ed.) Citation

Australia. Postmaster-General's Dept. Engineering Branch. Engineering Workshop Practice 1. [Melbourne?: s.n., 1950.

MLA (8th ed.) Citation

Australia. Postmaster-General's Dept. Engineering Branch. Engineering Workshop Practice 1. s.n., 1950.

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