Cita APA (7a ed.)

Speck, J. (1980). G - Q. Vandenhoeck & Ruprecht.

Cita Chicago Style (17a ed.)

Speck, Josef. G - Q. Göttingen: Vandenhoeck & Ruprecht, 1980.

Cita MLA (8a ed.)

Speck, Josef. G - Q. Vandenhoeck & Ruprecht, 1980.