Cita APA

Norstong, K. (1976). Plant biology. W.B. Saunders.

Chicago Style Citation

Norstong, Knut. Plant Biology. W.B. Saunders, 1976.

Cita MLA

Norstong, Knut. Plant Biology. W.B. Saunders, 1976.

Atenció: Aquestes cites poden no estar 100% correctes.