Cita APA (7a ed.)

Redman, L. A. (1919). Professor Montgomery's discoveries in celestial mechanics. Pernau-Walsh Printing Co.,[c1919].

Cita Chicago Style (17a ed.)

Redman, Leander A. Professor Montgomery's Discoveries in Celestial Mechanics. San Francisco: Pernau-Walsh Printing Co.,[c1919], 1919.

Cita MLA (9a ed.)

Redman, Leander A. Professor Montgomery's Discoveries in Celestial Mechanics. Pernau-Walsh Printing Co.,[c1919], 1919.