APA (7th ed.) Citation

Starkey, C. M., & Penn, N. W. (1994). What you need to know about reading signs, directories, schedules, maps, charts & graphs (3rd ed.). National Textbook Co.

Chicago Style (17th ed.) Citation

Starkey, Carolyn Morton, and Norgina Wright Penn. What You Need to Know About Reading Signs, Directories, Schedules, Maps, Charts & Graphs. 3rd ed. Lincolnwood, Ill: National Textbook Co, 1994.

MLA (9th ed.) Citation

Starkey, Carolyn Morton, and Norgina Wright Penn. What You Need to Know About Reading Signs, Directories, Schedules, Maps, Charts & Graphs. 3rd ed. National Textbook Co, 1994.