APA (7th ed.) Citation

Shaeffer, G. N. (1932). Introductory mechanical drawing problems. The Bruce Publishing Company.

Chicago Style (17th ed.) Citation

Shaeffer, Glenn N. Introductory Mechanical Drawing Problems. Milwaukee, Wis.: The Bruce Publishing Company, 1932.

MLA (9th ed.) Citation

Shaeffer, Glenn N. Introductory Mechanical Drawing Problems. The Bruce Publishing Company, 1932.