Cita APA (7th ed.)

Ivany, J. G. (1972). Environment: Readings for teachers. Addison-Wesley.

Cita Chicago (17th ed.)

Ivany, J.W. George. Environment: Readings for Teachers. Reading, MA: Addison-Wesley, 1972.

Cita MLA (9th ed.)

Ivany, J.W. George. Environment: Readings for Teachers. Addison-Wesley, 1972.