APA Edition Citation

Picard, C. F. (1980). Graphs and questionnaires.

Chicago Edition Citation

Picard, Claude Francois. Graphs and Questionnaires. North-Holland pub co, Amsterdam, 1980.

MLA Edition Citation

Picard, Claude Francois. Graphs and Questionnaires. 1980.

Warning: These citations may not always be 100% accurate.