APA (7th ed.) Citation

Drucker, P. (1937). Southern California. Univ. of California Press [u.a.].

Chicago Style (17th ed.) Citation

Drucker, Philip. Southern California. Berkeley, Calif: Univ. of California Press [u.a.], 1937.

MLA (9th ed.) Citation

Drucker, Philip. Southern California. Univ. of California Press [u.a.], 1937.

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