APA način citiranja (7. izdanje)

Gosler, A., Gosler, A., & Perrins, C. (1987). Some aspects of bill morphology in relation to ecology in the great tit Parus major.

Čikaški stil citiranja (17. izdanje)

Gosler, A., Andrew Gosler, i C. Perrins. Some Aspects of Bill Morphology in Relation to Ecology in the Great Tit Parus Major. 1987.

MLA način citiranja (9. izdanje)

Gosler, A., et al. Some Aspects of Bill Morphology in Relation to Ecology in the Great Tit Parus Major. 1987.