APA (7th ed.) Citation

Trail, T. F. (1966). Key understanding and skills: A content guide in the preparation of overseas technicians. [publisher not identified].

Chicago Style (17th ed.) Citation

Trail, Thomas F. Key Understanding and Skills: A Content Guide in the Preparation of Overseas Technicians. [Place of publication not identified]: [publisher not identified], 1966.

MLA (9th ed.) Citation

Trail, Thomas F. Key Understanding and Skills: A Content Guide in the Preparation of Overseas Technicians. [publisher not identified], 1966.