Cita APA (7a ed.)

Long, H. K. (1950). Manual of References Sources in Geology. Washington University.

Cita Chicago Style (17a ed.)

Long, Harriet K. Manual of References Sources in Geology. Missouri: Washington University, 1950.

Cita MLA (8a ed.)

Long, Harriet K. Manual of References Sources in Geology. Washington University, 1950.