APA (7th ed.) Citation

Engel, I. (1984). Structural principles / I. Engel. Prentice-Hall.

Chicago Style (17th ed.) Citation

Engel, I. Structural Principles / I. Engel. Englewood Cliffs ; London: Prentice-Hall, 1984.

MLA (9th ed.) Citation

Engel, I. Structural Principles / I. Engel. Prentice-Hall, 1984.

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