APA (7th ed.) Citation

Denholm, R. A. (1970). Making and using graphs and nomographs. California State Department of Education.

Chicago Style (17th ed.) Citation

Denholm, Richard A. Making and Using Graphs and Nomographs. California: California State Department of Education, 1970.

MLA (9th ed.) Citation

Denholm, Richard A. Making and Using Graphs and Nomographs. California State Department of Education, 1970.