Structures; or why things don't fall down

MLA

Gordon, J.E. Structures; Or Why Things Don't Fall Down. Harmondsworth: Penguin books ltd, 1978.

APA

Gordon, J. (1978). Structures; or why things don't fall down. Harmondsworth: Penguin books ltd.

Chicago

Gordon, J.E. Structures; Or Why Things Don't Fall Down. Harmondsworth: Penguin books ltd, 1978.