Cita APA (7a ed.)

Ford, J. M., & Monroe, J. E. (1974). Living systems: Principles and relationships (2nd ed.). Canfield Press.

Cita Chicago Style (17a ed.)

Ford, James M., y James E. Monroe. Living Systems: Principles and Relationships. 2nd ed. San-Francisco: Canfield Press, 1974.

Cita MLA (9a ed.)

Ford, James M., y James E. Monroe. Living Systems: Principles and Relationships. 2nd ed. Canfield Press, 1974.