APA

Hoyle F., Wickramasinghe C., . (1979). Disease from space. New York: Harper and Row Publishers.

Chicago

Hoyle Fred, Wickramasinghe Chandra, . 1979. Disease from space. New York: Harper and Row Publishers.

Harvard

Hoyle F., Wickramasinghe C., . (1979). Disease from space. New York: Harper and Row Publishers.

MLA

Hoyle Fred, Wickramasinghe Chandra, . Disease from space. New York: Harper and Row Publishers. 1979.