APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Froebes, Joseph. Psychologia Sensitiva: Valkenburg 1906-1907. Valkenburg: [s.n.], 1906.

MLA (9th ed.) Citation

Froebes, Joseph. Psychologia Sensitiva: Valkenburg 1906-1907. [s.n.], 1906.

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