APA (7th ed.) Citation

HEALD, H. T. The World Of The Engineer. Voice of America Forum Lectures.

Chicago Style (17th ed.) Citation

HEALD, Henry T. The World Of The Engineer. Voice of America Forum Lectures.

MLA (8th ed.) Citation

HEALD, Henry T. The World Of The Engineer. Voice of America Forum Lectures.

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