Cita APA

Schefler, W. C. (1976). Biology; principles and issues. Addison-Wesley.

Chicago Edition Citation

Schefler, Wiliam C. Biology; Principles and Issues. Addison-Wesley, 1976.

Cita MLA

Schefler, Wiliam C. Biology; Principles and Issues. Addison-Wesley, 1976.

Atenció: Aquestes cites poden no estar 100% correctes.