APA način citiranja (7. izdanje)

Kooloos, J. G. M. (1986). Integration of feeding mechanisms in some Anseriform birds. s.n..

Čikaški stil citiranja (17. izdanje)

Kooloos, Johannes Gijsberthus Maria. Integration of Feeding Mechanisms in Some Anseriform Birds. [Leiden?, Netherlands: s.n., 1986.

MLA način citiranja (8. izdanje)

Kooloos, Johannes Gijsberthus Maria. Integration of Feeding Mechanisms in Some Anseriform Birds. s.n., 1986.