Cita APA (7a ed.)

Dijkstra, J. (1994). A Digital Library in the Mid-Nineties, Ahead or On Schedule?

Cita Chicago Style (17a ed.)

Dijkstra, Joost. A Digital Library in the Mid-Nineties, Ahead or On Schedule? 1994.

Cita MLA (9a ed.)

Dijkstra, Joost. A Digital Library in the Mid-Nineties, Ahead or On Schedule? 1994.