APA Style
Heald, Henry T. (1973).
The World of The Engineer (ed 1, cet 2).
Washington D.C:
Voice of America Forum Lectures.
Chicago Style
Heald, Henry T.
The World of The Engineer.
ed 1, cet 2
Washington D.C:
Voice of America Forum Lectures,
1973.
Text.
MLA Style
Heald, Henry T.
The World of The Engineer.
ed 1, cet 2
Washington D.C:
Voice of America Forum Lectures,
1973.
Text.
Turabian Style
Heald, Henry T.
The World of The Engineer.
ed 1, cet 2
Washington D.C:
Voice of America Forum Lectures,
1973.
Print.