Cita APA

Hirschfield, R. S. (1974). The problem of presidential power. Dialogue. - US Information Agency.

Citación estilo Chicago

Hirschfield, Robert S. "The Problem of Presidential Power." Dialogue. - US Information Agency 1974.

Cita MLA

Hirschfield, Robert S. "The Problem of Presidential Power." Dialogue. - US Information Agency, 1974.