Cita APA (7a ed.)

Orkin, R., & Karlen, A. (1978). A world through my window. Harper & Row.

Cita Chicago Style (17a ed.)

Orkin, Ruth, y Arno Karlen. A World Through My Window. New York: Harper & Row, 1978.

Cita MLA (9a ed.)

Orkin, Ruth, y Arno Karlen. A World Through My Window. Harper & Row, 1978.