Cita APA

Johnson, W. H. (1904). Cultivation and preparation of para rubber. Crosby lockwood & sons.

Chicago Edition Citation

Johnson, W H. Cultivation and Preparation of Para Rubber. London: Crosby lockwood & sons, 1904.

Cita MLA

Johnson, W H. Cultivation and Preparation of Para Rubber. Crosby lockwood & sons, 1904.

Atenció: Aquestes cites poden no estar 100% correctes.