Citazione Stile APA (7a Edizione)

Gordon, J. E. (1978). Structures: Or, Why things don't fall down. Penquin Books.

Citazione stile Chigago Style (17a edizione)

Gordon, J. E. Structures: Or, Why Things Don't Fall Down. Harmondsworth, New York: Penquin Books, 1978.

Citatione MLA (9a ed.)

Gordon, J. E. Structures: Or, Why Things Don't Fall Down. Penquin Books, 1978.