APA (7th ed.) Citation

Marsh, G. (1940). The effect of light on the inherent E. M. F. of Valonia ventricosa ... [publisher not identified].

Chicago Style (17th ed.) Citation

Marsh, Gordon. The Effect of Light on the Inherent E. M. F. of Valonia Ventricosa ... Washington: [publisher not identified], 1940.

MLA (9th ed.) Citation

Marsh, Gordon. The Effect of Light on the Inherent E. M. F. of Valonia Ventricosa ... [publisher not identified], 1940.