APA (7e ed.) Bronvermelding

Childs, M. W. (1952). Yesterday today and tomorrow . The farmer takes a hand.

Chicago (17e ed.) Bronvermelding

Childs, Marquis W. Yesterday Today and Tomorrow . The Farmer Takes a Hand. United States : McArdle Book Division, 1952.

MLA (9e ed.) Bronvermelding

Childs, Marquis W. Yesterday Today and Tomorrow . The Farmer Takes a Hand. 1952.