APA (7th ed.) Citation

Els, P. M., & Amen, K. L. (1977). Introduction to Bibliography.

Chicago Style (17th ed.) Citation

Els, Phyllis M., and Kathleen L. Amen. Introduction to Bibliography. 1977.

MLA (9th ed.) Citation

Els, Phyllis M., and Kathleen L. Amen. Introduction to Bibliography. 1977.

Warning: These citations may not always be 100% accurate.