APA (7th ed.) Citation
Hecker, S. S. (1977). Experimental studies of sheet stretchability. [s.n.].
Chicago Style (17th ed.) Citation
Hecker, Siegfried Stephen. Experimental Studies of Sheet Stretchability. [s.l.]: [s.n.], 1977.
MLA (9th ed.) Citation
Hecker, Siegfried Stephen. Experimental Studies of Sheet Stretchability. [s.n.], 1977.
Warning: These citations may not always be 100% accurate.