APA (7th ed.) Citation

Nelson, K. Y. (1994). The little system 7.1 /7.5 book. Peachpit Press.

Chicago Style (17th ed.) Citation

Nelson, Kay Yarborough. The Little System 7.1 /7.5 Book. California: Peachpit Press, 1994.

MLA (9th ed.) Citation

Nelson, Kay Yarborough. The Little System 7.1 /7.5 Book. Peachpit Press, 1994.