APA

Russell B., Pirani F., . (1969). The ABC of relativity. New York: New American Library.

Chicago

Russell Bertrand, Pirani Felix, . 1969. The ABC of relativity. New York: New American Library.

Harvard

Russell B., Pirani F., . (1969). The ABC of relativity. New York: New American Library.

MLA

Russell Bertrand, Pirani Felix, . The ABC of relativity. New York: New American Library. 1969.