Cita APA (7a ed.)

Porthan, H. G., Koskenniemi, H., Matinolli, E., & Nyman, M. (1974). Henrici Gabrielis Porthan Opera omnia. Porthan-Seura.

Cita Chicago Style (17a ed.)

Porthan, Henrik Gabriel, Heikki Koskenniemi, Eero Matinolli, y Martti Nyman. Henrici Gabrielis Porthan Opera Omnia. Turku: Porthan-Seura, 1974.

Cita MLA (9a ed.)

Porthan, Henrik Gabriel, et al. Henrici Gabrielis Porthan Opera Omnia. Porthan-Seura, 1974.