APA (7th ed.) Citation

Texel, P. P. (1986). Introductory Ada: Packages for programming. Wadsworth.

Chicago Style (17th ed.) Citation

Texel, Putnam P. Introductory Ada: Packages for Programming. Belmont, Calif: Wadsworth, 1986.

MLA (9th ed.) Citation

Texel, Putnam P. Introductory Ada: Packages for Programming. Wadsworth, 1986.