Cita APA (7th ed.)

Luoma, S. N. (1984). Introduction to environmental issues. MacMillan.

Cita Chicago (17th ed.)

Luoma, Samuel N. Introduction to Environmental Issues. London: MacMillan, 1984.

Cita MLA (9th ed.)

Luoma, Samuel N. Introduction to Environmental Issues. MacMillan, 1984.

Atenció: Aquestes cites poden no estar 100% correctes.