Cita APA (7th ed.)

Haandel, A. C. v., & Lettinga, G. (1994). Anaerobic sewage treatment: A practical guide for regions with a hot climate. Wiley.

Cita Chicago (17th ed.)

Haandel, Adrianus C. van, i Gatze Lettinga. Anaerobic Sewage Treatment: A Practical Guide for Regions with a Hot Climate. Chichester: Wiley, 1994.

Cita MLA (9th ed.)

Haandel, Adrianus C. van, i Gatze Lettinga. Anaerobic Sewage Treatment: A Practical Guide for Regions with a Hot Climate. Wiley, 1994.