Cita APA (7a ed.)

Gross, G. M. (1992). Napkin folding. Michael Friedman Group.

Cita Chicago Style (17a ed.)

Gross, Gay Merrill. Napkin Folding. New York: Michael Friedman Group, 1992.

Cita MLA (9a ed.)

Gross, Gay Merrill. Napkin Folding. Michael Friedman Group, 1992.