APA

Frejka T. ., . (1973). The future of population growth. New York: John Wiley.

Chicago

Frejka Tomas, . 1973. The future of population growth. New York: John Wiley.

Harvard

Frejka T. ., . (1973). The future of population growth. New York: John Wiley.

MLA

Frejka Tomas, . The future of population growth. New York: John Wiley. 1973.