Five hundred years of printing

MLA

Steinberg, Sigfrid Henry, and Beatrice Warde. Five Hundred Years of Printing. Harmondsworth: Penguin books, 1955.

APA

Steinberg, S. Henry, & Warde, B. (1955). Five hundred years of printing. Harmondsworth: Penguin books.

Chicago

Steinberg, Sigfrid Henry, and Beatrice Warde. Five Hundred Years of Printing. Harmondsworth: Penguin books, 1955.