Cita APA (7a ed.)

SCHUMACHER E F. (1978). GUIDE FOR THE PERPLEXED. ABACUS PRESS.

Cita Chicago Style (17a ed.)

SCHUMACHER E F. GUIDE FOR THE PERPLEXED. LONDON: ABACUS PRESS, 1978.

Cita MLA (9a ed.)

SCHUMACHER E F. GUIDE FOR THE PERPLEXED. ABACUS PRESS, 1978.