APA Citation

Froebes, J. (. 1. (1906). Psychologia sensitiva: Valkenburg 1906-1907. Valkenburg: [s.n.].

Chicago Style Citation

Froebes, Joseph (S.I.) 1866-1947. Psychologia Sensitiva: Valkenburg 1906-1907. Valkenburg: [s.n.], 1906.

MLA Citation

Froebes, Joseph (S.I.) 1866-1947. Psychologia Sensitiva: Valkenburg 1906-1907. Valkenburg: [s.n.], 1906.

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