Cita APA

Gray, A. (2000). Tubes (2nd ed.). Birkhauser Boston.

Chicago Edition Citation

Gray, Alfred. Tubes. 2nd ed. Boston: Birkhauser Boston, 2000.

Cita MLA

Gray, Alfred. Tubes. 2nd ed. Birkhauser Boston, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.