Cita APA

Smith, H. A., Frazier, R. P., & Magnoli, M. A. (1977). Exploring living things. Califorlia: Laidlaw Brothers.

Chicago Style Citation

Smith, Herbert A., Ralph P. Frazier, i Michael A. Magnoli. Exploring Living Things. Califorlia: Laidlaw Brothers, 1977.

Cita MLA

Smith, Herbert A., Ralph P. Frazier, i Michael A. Magnoli. Exploring Living Things. Califorlia: Laidlaw Brothers, 1977.

Atenció: Aquestes cites poden no estar 100% correctes.