Cita APA (7th ed.)

Cotter, G., & Haynes, T. (1998). Deep multicolour imaging of the field towards the quasar pair PC1643+463 AandB.

Cita Chicago (17th ed.)

Cotter, G., i T. Haynes. Deep Multicolour Imaging of the Field Towards the Quasar Pair PC1643+463 AandB. 1998.

Cita MLA (9th ed.)

Cotter, G., i T. Haynes. Deep Multicolour Imaging of the Field Towards the Quasar Pair PC1643+463 AandB. 1998.