APA

Donnelly E., . (1976). Preference elasticities of transit fare increases and decreases by demographic groups. : Transportation Research Record.

Chicago

Donnelly EP, . 1976. Preference elasticities of transit fare increases and decreases by demographic groups. : Transportation Research Record.

Harvard

Donnelly E., . (1976). Preference elasticities of transit fare increases and decreases by demographic groups. : Transportation Research Record.

MLA

Donnelly EP, . Preference elasticities of transit fare increases and decreases by demographic groups. : Transportation Research Record. 1976.