APA

Wojtyla K., . (1979). Fruitful and resposible love. New York: The Seabury Press.

Chicago

Wojtyla Karol, . 1979. Fruitful and resposible love. New York: The Seabury Press.

Harvard

Wojtyla K., . (1979). Fruitful and resposible love. New York: The Seabury Press.

MLA

Wojtyla Karol, . Fruitful and resposible love. New York: The Seabury Press. 1979.