APA
IFIP TC 2/WG 2.6 W. C. o. V. D. S. (. 1. L. H., Loannidis Y. e. & Klas W. e. (1998). Visual database systems, IV (VDB4). London: Chapman & Hall.
Chicago
IFIP TC 2/WG 2.6 Working Conference on Visual Database Systems (4th 1998 L'Aquila Holy), Loannidis Yannis ed and Klas Wolfgang ed. 1998. Visual database systems, IV (VDB4). London: Chapman & Hall.
Harvard
IFIP TC 2/WG 2.6 W. C. o. V. D. S. (. 1. L. H., Loannidis Y. e. and Klas W. e. (1998). Visual database systems, IV (VDB4). London: Chapman & Hall.
MLA
IFIP TC 2/WG 2.6 Working Conference on Visual Database Systems (4th 1998 L'Aquila Holy), Loannidis Yannis ed and Klas Wolfgang ed. Visual database systems, IV (VDB4). London: Chapman & Hall. 1998.