APA (7th ed.) Citation

Huygen, W., & Poortvliet, R. (1982). Secrets of the gnomes. H.N. Abrams.

Chicago Style (17th ed.) Citation

Huygen, Wil, and Rien Poortvliet. Secrets of the Gnomes. New York: H.N. Abrams, 1982.

MLA (9th ed.) Citation

Huygen, Wil, and Rien Poortvliet. Secrets of the Gnomes. H.N. Abrams, 1982.