APA (7th ed.) Citation

Hirtle, S. C. (1982). Hierarchical structure in cognitive maps.

Chicago Style (17th ed.) Citation

Hirtle, Stephen C. Hierarchical Structure in Cognitive Maps. 1982.

MLA (9th ed.) Citation

Hirtle, Stephen C. Hierarchical Structure in Cognitive Maps. 1982.

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