APA Style

Thomas, J.B.. (1939). Electric Control of Polarity in Plants . Gouda: Drukkerij Koch & Knuttel.

Chicago Style

Thomas, J.B.. Electric Control of Polarity in Plants. Gouda: Drukkerij Koch & Knuttel, 1939. Hard Copy.

MLA Style

Thomas, J.B.. Electric Control of Polarity in Plants. Gouda: Drukkerij Koch & Knuttel, 1939. Hard Copy.

Turabian Style

Thomas, J.B.. Electric Control of Polarity in Plants. Gouda: Drukkerij Koch & Knuttel, 1939. Hard Copy.