Cita APA (7a ed.)

Zacharopoulos, D., & Sorkin, M. (1985). Cumulus. Parkett.

Cita Chicago Style (17a ed.)

Zacharopoulos, Denys, y Michael Sorkin. "Cumulus." Parkett 1985.

Cita MLA (8a ed.)

Zacharopoulos, Denys, y Michael Sorkin. "Cumulus." Parkett, 1985.