Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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