Exman, E. (1967). The house of Harper: One hundred and fifty years of publishing. Harper & Row.
Style de citation Chicago (17e éd.)Exman, Eugene. The House of Harper: One Hundred and Fifty Years of Publishing. New York [u.a.]: Harper & Row, 1967.
Style de citation MLA (8e éd.)Exman, Eugene. The House of Harper: One Hundred and Fifty Years of Publishing. Harper & Row, 1967.
Attention : ces citations peuvent ne pas être correctes à 100%.