Cita APA (7a ed.)

Powell, R. Contingency and convergence in macroevolution: A reply to John Beaty. The journal of philosophy., Vol. 106 No. 7 (2009),390-403 106, .

Cita Chicago Style (17a ed.)

Powell, Russel. "Contingency and Convergence in Macroevolution: A Reply to John Beaty." The Journal of Philosophy. Vol. 106 No. 7 (2009),390-403 106 ().

Cita MLA (9a ed.)

Powell, Russel. "Contingency and Convergence in Macroevolution: A Reply to John Beaty." The Journal of Philosophy., vol. Vol. 106 No. 7 (2009),390-403 106, .