Engel, I. (1984). Structural principles. Englewood Cliffs, New Jersey : Prentice-Hall.
Chicago Style (17th ed.) CitationEngel, I. Structural Principles. Englewood Cliffs, New Jersey : Prentice-Hall, 1984.
MLA (9th ed.) CitationEngel, I. Structural Principles. Englewood Cliffs, New Jersey : Prentice-Hall, 1984.
Warning: These citations may not always be 100% accurate.