Cita APA (7th ed.)

Schefler, W. C. (1979). Statistics for the biological sciences (2a. ed.). Addison-Wesley.

Cita Chicago (17th ed.)

Schefler, William C. Statistics for the Biological Sciences. 2a. ed. Reading: Addison-Wesley, 1979.

Cita MLA (9th ed.)

Schefler, William C. Statistics for the Biological Sciences. 2a. ed. Addison-Wesley, 1979.