APA (7th ed.) Citation

Lear, E., Burkert, N. E., & Nash, O. (1968). The Scroobious Pip. Harper & Row.

Chicago Style (17th ed.) Citation

Lear, Edward, Nancy Ekholm Burkert, and Ogden Nash. The Scroobious Pip. New York: Harper & Row, 1968.

MLA (9th ed.) Citation

Lear, Edward, et al. The Scroobious Pip. Harper & Row, 1968.