Hickman, C. P., Keen, S. L., Eisenhour, D. J., Larson, A., & L'Anson, H. (2024). Integrated principles of zoology (Nineteenth edition.). New York: McGraw-Hill Education.

Hickman, Cleveland P., Susan L. Keen, David J. Eisenhour, Allan Larson, and Helen L'Anson. Integrated Principles of Zoology. Nineteenth edition. New York: McGraw-Hill Education, 2024.

Hickman, Cleveland P., et al. Integrated Principles of Zoology. Nineteenth edition. New York: McGraw-Hill Education, 2024.