Παραπομπή APA

Hofmann, W. (1967). Vulcanization and vulcanizing agents. Macclaren & Sons.

Παραπομπή Chicago Style

Hofmann, Werner. Vulcanization and Vulcanizing Agents. London: Macclaren & Sons, 1967.

Παραπομπή MLA

Hofmann, Werner. Vulcanization and Vulcanizing Agents. Macclaren & Sons, 1967.