Style de citation APA (7e éd.)

Lännergren, J. (1967). Mechanical activity of single twitch and slow muscle fibres of Xenopus Laevis. [s.n.].

Style de citation Chicago (17e éd.)

Lännergren, Jan. Mechanical Activity of Single Twitch and Slow Muscle Fibres of Xenopus Laevis. Stockholm: [s.n.], 1967.

Style de citation MLA (8e éd.)

Lännergren, Jan. Mechanical Activity of Single Twitch and Slow Muscle Fibres of Xenopus Laevis. [s.n.], 1967.