How typography works; (and why it is important)

MLA

Baudin, F. How Typography Works; (and Why it Is Important). London: Lund Humphries, 1989.

APA

Baudin, F. (1989). How typography works; (and why it is important). London: Lund Humphries.

Chicago

Baudin, F. How Typography Works; (and Why it Is Important). London: Lund Humphries, 1989.