APA (7th ed.) Citation

SPENCER, H. (1907). Les premiers principes (11 ed.). Felix Alcan.

Chicago Style (17th ed.) Citation

SPENCER, Herbert. Les Premiers Principes. 11 ed. Paris: Felix Alcan, 1907.

MLA (9th ed.) Citation

SPENCER, Herbert. Les Premiers Principes. 11 ed. Felix Alcan, 1907.

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