APA (7th ed.) Zitazioa

Higbee, E. (1970). A question of priorities: New strategies for our urbanized world. William Morrow.

Chicago Style (17th ed.) Zitazioa

Higbee, Edward. A Question of Priorities: New Strategies for Our Urbanized World. New York: William Morrow, 1970.

MLA (9th ed.) Zitazioa

Higbee, Edward. A Question of Priorities: New Strategies for Our Urbanized World. William Morrow, 1970.