APA (7th ed.) Citation

Itard, J. (1950). Pierre Fermat. Birkhäuser.

Chicago Style (17th ed.) Citation

Itard, Jean. Pierre Fermat. Basel: Birkhäuser, 1950.

MLA (9th ed.) Citation

Itard, Jean. Pierre Fermat. Birkhäuser, 1950.

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