Cita APA (7a ed.)

Janson, M., BSP, & Luyten, J. (1961). af000800: 1 Mei.

Cita Chicago Style (17a ed.)

Janson, Marc, BSP, y Jan Luyten. Af000800: 1 Mei. 1961.

Cita MLA (8a ed.)

Janson, Marc, et al. Af000800: 1 Mei. 1961.