Cita APA (7a ed.)

Morgan, C. L. (1903). An introduction to comparative psychology (2nd ed., rev.). Walter Scott.

Cita Chicago Style (17a ed.)

Morgan, C. Lloyd. An Introduction to Comparative Psychology. 2nd ed., rev. London [etc.]: Walter Scott, 1903.

Cita MLA (9a ed.)

Morgan, C. Lloyd. An Introduction to Comparative Psychology. 2nd ed., rev. Walter Scott, 1903.