Cita APA

Turk, A. (1974). Environmental science. Philadelphia: Saunders.

Chicago Style Citation

Turk, Amos. Environmental Science. Philadelphia: Saunders, 1974.

Cita MLA

Turk, Amos. Environmental Science. Philadelphia: Saunders, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.