Cita APA

Ullmann, F., & Elvers, B. (2013). Ullmann's renewable resources. Wiley-VCH.

Citación estilo Chicago

Ullmann, Fritz, and Barbara Elvers. Ullmann's Renewable Resources. Weinheim: Wiley-VCH, 2013.

Cita MLA

Ullmann, Fritz, and Barbara Elvers. Ullmann's Renewable Resources. Wiley-VCH, 2013.

Warning: These citations may not always be 100% accurate.