APA (7th ed.) Citation

Mairs, T. I. (1928). Some Pennsylvania pioneers in agricultural science. [publisher not identified].

Chicago Style (17th ed.) Citation

Mairs, Thomas Isaiah. Some Pennsylvania Pioneers in Agricultural Science. State College, Pa.: [publisher not identified], 1928.

MLA (9th ed.) Citation

Mairs, Thomas Isaiah. Some Pennsylvania Pioneers in Agricultural Science. [publisher not identified], 1928.

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