Cita APA (7th ed.)

Kalthoff, K. (2001). Analysis of biological development (2nd ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Kalthoff, Klaus. Analysis of Biological Development. 2nd ed. Boston: McGraw-Hill, 2001.

Cita MLA (9th ed.)

Kalthoff, Klaus. Analysis of Biological Development. 2nd ed. McGraw-Hill, 2001.