APA citiranje

Martin, R. A., & il. R. Freund, J. I. (1969). As borboletas. Verbo.

Chicago Style (17th ed.) Citation

Martin, Richard A., and J.G. Irving il. R. Freund. As Borboletas. Verbo, 1969.

MLA citiranje

Martin, Richard A., and J.G. Irving il. R. Freund. As Borboletas. Verbo, 1969.