Cita APA (7a ed.)

Picot, A., Laub, U., & Schneider, D. (1990). Comparing successful and less successful new innovative businesses. [s.n.].

Cita Chicago Style (17a ed.)

Picot, Arnold, Ulf Laub, y Dietram Schneider. Comparing Successful and Less Successful New Innovative Businesses. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Picot, Arnold, et al. Comparing Successful and Less Successful New Innovative Businesses. [s.n.], 1990.