APA
Williamson R., Olsson B., Ekspong G., Keller C., Strozier C. B. & Rivera L. N. (1990). Images of the end and christian theology. Uppsala: Life & Peace Institute.
Chicago
Williamson Roger, Olsson Birger, Ekspong Gösta, Keller Catherine, Strozier Charles B and Rivera Luis N. 1990. Images of the end and christian theology. Uppsala: Life & Peace Institute.
Harvard
Williamson R., Olsson B., Ekspong G., Keller C., Strozier C. B. and Rivera L. N. (1990). Images of the end and christian theology. Uppsala: Life & Peace Institute.
MLA
Williamson Roger, Olsson Birger, Ekspong Gösta, Keller Catherine, Strozier Charles B and Rivera Luis N. Images of the end and christian theology. Uppsala: Life & Peace Institute. 1990.