APA (7th ed.) Citation

Parks, G., Guffey, B., Rohrs, G. R., Johnson, K., Clarke, A., Evans, E., . . . Smith, O. C. (1969). The learning tree. Warner.

Chicago Style (17th ed.) Citation

Parks, Gordon, Burnett Guffey, George R. Rohrs, Kyle Johnson, Alex Clarke, Estelle Evans, Joel Fluellen, and O. C. Smith. The Learning Tree. [S.l.]: Warner, 1969.

MLA (9th ed.) Citation

Parks, Gordon, et al. The Learning Tree. Warner, 1969.