Cita APA (7a ed.)

Kasparyan, D., & Chakravarthy, R. (1989). Ichneumonidae (subfamily Tryphoninae), tribe Tryphonini. Brill.

Cita Chicago Style (17a ed.)

Kasparyan, D.R, y R.S Chakravarthy. Ichneumonidae (subfamily Tryphoninae), Tribe Tryphonini. Leiden [etc.]: Brill, 1989.

Cita MLA (9a ed.)

Kasparyan, D.R, y R.S Chakravarthy. Ichneumonidae (subfamily Tryphoninae), Tribe Tryphonini. Brill, 1989.