APA (7th ed.) Citation

Aitken, P. G. (1998). Visual-basic 6 programming blue book: Fast-paced learning. The Coriolis Group.

Chicago Style (17th ed.) Citation

Aitken, Peter G. Visual-basic 6 Programming Blue Book: Fast-paced Learning. New York: The Coriolis Group, 1998.

MLA (9th ed.) Citation

Aitken, Peter G. Visual-basic 6 Programming Blue Book: Fast-paced Learning. The Coriolis Group, 1998.