APA-viite (7. p.)

Ingram, G. K., & Carrol, A. (1981). Symposium on urbanization and development . The spatial structure of Latin American Cities.

Chicago-viite (17. p.)

Ingram, Gregory K., ja Allan Carrol. Symposium on Urbanization and Development . The Spatial Structure of Latin American Cities. Washington : Academic Press, 1981.

MLA-viite (9. p.)

Ingram, Gregory K., ja Allan Carrol. Symposium on Urbanization and Development . The Spatial Structure of Latin American Cities. 1981.