APA (7th ed.) Citation

Anderson, O. M. (1978). Seeker at Cassandra Marsh (First edition.). Christian Herald Books.

Chicago Style (17th ed.) Citation

Anderson, Olive M. Seeker at Cassandra Marsh. First edition. Chappaqua, N.Y.: Christian Herald Books, 1978.

MLA (9th ed.) Citation

Anderson, Olive M. Seeker at Cassandra Marsh. First edition. Christian Herald Books, 1978.