Cita APA (7th ed.)

Hoet, J., & Salle, D. (1984). Cumulus. Parkett.

Cita Chicago (17th ed.)

Hoet, Jan, i David Salle. "Cumulus." Parkett 1984.

Cita MLA (8th ed.)

Hoet, Jan, i David Salle. "Cumulus." Parkett, 1984.