APA (7th ed.) Citation

Pullinger, D. J. (1985). BLEND-4 : user-system interaction / D.J. Pullinger with B. Shackel ... (et al.): User-system interaction. British Library.

Chicago Style (17th ed.) Citation

Pullinger, D. J. BLEND-4 : User-system Interaction / D.J. Pullinger with B. Shackel ... (et Al.): User-system Interaction. (London): British Library, 1985.

MLA (9th ed.) Citation

Pullinger, D. J. BLEND-4 : User-system Interaction / D.J. Pullinger with B. Shackel ... (et Al.): User-system Interaction. British Library, 1985.

Warning: These citations may not always be 100% accurate.