Cita APA (7a ed.)

Alexander, S., & Laird, J. (1939). Philosophical and literary pieces. MacMillan.

Cita Chicago Style (17a ed.)

Alexander, Samuel, y John Laird. Philosophical and Literary Pieces. London [etc.]: MacMillan, 1939.

Cita MLA (9a ed.)

Alexander, Samuel, y John Laird. Philosophical and Literary Pieces. MacMillan, 1939.