Cita APA

Tweedy, B. G., & Tweedy, B. G. Inorganic sulfur as a fungicide.

Citación estilo Chicago

Tweedy, B. G., y B. G. Tweedy. Inorganic Sulfur As a Fungicide.

Cita MLA

Tweedy, B. G., y B. G. Tweedy. Inorganic Sulfur As a Fungicide.