APA (7th ed.) Citation

Heard, J. N., & Hoover, J. H. (1971). Bookman's guide to Americana (6th ed.). Scarecrow Press.

Chicago Style (17th ed.) Citation

Heard, J. Norman, and Jimmie H. Hoover. Bookman's Guide to Americana. 6th ed. Metuchen, N.J.: Scarecrow Press, 1971.

MLA (8th ed.) Citation

Heard, J. Norman, and Jimmie H. Hoover. Bookman's Guide to Americana. 6th ed. Scarecrow Press, 1971.