Richards, I. Speculative Instruments.
Cita Chicago Style (17a ed.)Richards, I.A. Speculative Instruments.
Cita MLA (9a ed.)Richards, I.A. Speculative Instruments.
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Richards, I. Speculative Instruments.
Cita Chicago Style (17a ed.)Richards, I.A. Speculative Instruments.
Cita MLA (9a ed.)Richards, I.A. Speculative Instruments.