APA
Smith H. S., . (1933). The efficacy and economic effects of plant quarantines in California. Berkeley: University of California.
Chicago
Smith Harry S, . 1933. The efficacy and economic effects of plant quarantines in California. Berkeley: University of California.
Harvard
Smith H. S., . (1933). The efficacy and economic effects of plant quarantines in California. Berkeley: University of California.
MLA
Smith Harry S, . The efficacy and economic effects of plant quarantines in California. Berkeley: University of California. 1933.