APA (7th ed.) Citation

Greydanus, R., & Hall, S. (1983). Changing seasons. Troll Associates.

Chicago Style (17th ed.) Citation

Greydanus, Rose, and Susan Hall. Changing Seasons. Mahwah, N.J.: Troll Associates, 1983.

MLA (9th ed.) Citation

Greydanus, Rose, and Susan Hall. Changing Seasons. Troll Associates, 1983.