Cita APA (7a ed.)

Hulshoff Pol, L. (1989). The phenomenon of granulation of anaerobic sludge. Landbouwuniversiteit te Wageningen?.

Cita Chicago Style (17a ed.)

Hulshoff Pol, Look. The Phenomenon of Granulation of Anaerobic Sludge. [Wageningen, The Netherlands?: Landbouwuniversiteit te Wageningen?, 1989.

Cita MLA (8a ed.)

Hulshoff Pol, Look. The Phenomenon of Granulation of Anaerobic Sludge. Landbouwuniversiteit te Wageningen?, 1989.