APA (7th ed.) Citation

Guilbert, p. p. A. (1960). Fernando Pessoa. Editions Pierre Seghers.

Chicago Style (17th ed.) Citation

Guilbert, présentation par Armand. Fernando Pessoa. Editions Pierre Seghers, 1960.

MLA (8th ed.) Citation

Guilbert, présentation par Armand. Fernando Pessoa. Editions Pierre Seghers, 1960.

Warning: These citations may not always be 100% accurate.