Cita APA (7a ed.)

Tertius, O. (2001). Hugo Washington Cowes: In memoriam.

Cita Chicago Style (17a ed.)

Tertius, Orbis. Hugo Washington Cowes: In Memoriam. 2001.

Cita MLA (8a ed.)

Tertius, Orbis. Hugo Washington Cowes: In Memoriam. 2001.