APA (7th ed.) Citation

Heermance, E. L. (1915). The unfolding universe. The Pilgrim press.

Chicago Style (17th ed.) Citation

Heermance, Edgar Laing. The Unfolding Universe. Boston, New York [etc.]: The Pilgrim press, 1915.

MLA (9th ed.) Citation

Heermance, Edgar Laing. The Unfolding Universe. The Pilgrim press, 1915.