APA (7th ed.) Citation

Hölderlin, F., Leonhard, R., & Rovini, R. (1963). Holderlin: Etude et presentation. Seghers.

Chicago Style (17th ed.) Citation

Hölderlin, Friedrich, Rudolf Leonhard, and Robert Rovini. Holderlin: Etude Et Presentation. Paris: Seghers, 1963.

MLA (8th ed.) Citation

Hölderlin, Friedrich, et al. Holderlin: Etude Et Presentation. Seghers, 1963.