Cita APA

Knapp, J. M., & Holzner, L. (1990). Harold M. Mayer: Fifty years of professional geography. Milwaukee, Wis.: American Geographical Society Collection of the Golda Meir Library.

Citación estilo Chicago

Knapp, Jeane M., y Lutz Holzner. Harold M. Mayer: Fifty Years of Professional Geography. Milwaukee, Wis.: American Geographical Society Collection of the Golda Meir Library, 1990.

Cita MLA

Knapp, Jeane M., y Lutz Holzner. Harold M. Mayer: Fifty Years of Professional Geography. Milwaukee, Wis.: American Geographical Society Collection of the Golda Meir Library, 1990.