APA Style

SINGLETON, W.T.. (1972). Introduction to Egronomics . Geneva: World Health Organization.

Chicago Style

SINGLETON, W.T.. Introduction to Egronomics. Geneva: World Health Organization, 1972. Text.

MLA Style

SINGLETON, W.T.. Introduction to Egronomics. Geneva: World Health Organization, 1972. Text.

Turabian Style

SINGLETON, W.T.. Introduction to Egronomics. Geneva: World Health Organization, 1972. Print.