Style de citation APA (7e éd.)

Purdum, J. J. (1990). The first book of Harvard graphics. H.W. Sams.

Style de citation Chicago (17e éd.)

Purdum, Jack J. The First Book of Harvard Graphics. Carmel, Ind.: H.W. Sams, 1990.

Style de citation MLA (8e éd.)

Purdum, Jack J. The First Book of Harvard Graphics. H.W. Sams, 1990.